diff --git a/front_end/package-lock.json b/front_end/package-lock.json
index 4230521..ca17fe6 100644
--- a/front_end/package-lock.json
+++ b/front_end/package-lock.json
@@ -1347,6 +1347,30 @@
         "@babel/runtime": "^7.4.4"
       }
     },
+    "@material-ui/lab": {
+      "version": "4.0.0-alpha.61",
+      "resolved": "https://registry.npmjs.org/@material-ui/lab/-/lab-4.0.0-alpha.61.tgz",
+      "integrity": "sha512-rSzm+XKiNUjKegj8bzt5+pygZeckNLOr+IjykH8sYdVk7dE9y2ZuUSofiMV2bJk3qU+JHwexmw+q0RyNZB9ugg==",
+      "requires": {
+        "@babel/runtime": "^7.4.4",
+        "@material-ui/utils": "^4.11.3",
+        "clsx": "^1.0.4",
+        "prop-types": "^15.7.2",
+        "react-is": "^16.8.0 || ^17.0.0"
+      },
+      "dependencies": {
+        "@material-ui/utils": {
+          "version": "4.11.3",
+          "resolved": "https://registry.npmjs.org/@material-ui/utils/-/utils-4.11.3.tgz",
+          "integrity": "sha512-ZuQPV4rBK/V1j2dIkSSEcH5uT6AaHuKWFfotADHsC0wVL1NLd2WkFCm4ZZbX33iO4ydl6V0GPngKm8HZQ2oujg==",
+          "requires": {
+            "@babel/runtime": "^7.4.4",
+            "prop-types": "^15.7.2",
+            "react-is": "^16.8.0 || ^17.0.0"
+          }
+        }
+      }
+    },
     "@material-ui/styles": {
       "version": "4.10.0",
       "resolved": "https://registry.npmjs.org/@material-ui/styles/-/styles-4.10.0.tgz",
@@ -1694,6 +1718,14 @@
         "@babel/types": "^7.3.0"
       }
     },
+    "@types/clipboard": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/@types/clipboard/-/clipboard-2.0.7.tgz",
+      "integrity": "sha512-VwVFUHlneOsWfv/GaaY7Kwk4XasDqkAlyFQtsHxnOw0yyBYWTrlEXtmb9RtC+VFBCdtuOeIXECmELNd5RrKp/g==",
+      "requires": {
+        "clipboard": "*"
+      }
+    },
     "@types/color-name": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
@@ -1839,6 +1871,14 @@
         "@types/react-router": "*"
       }
     },
+    "@types/react-swipeable-views": {
+      "version": "0.13.1",
+      "resolved": "https://registry.npmjs.org/@types/react-swipeable-views/-/react-swipeable-views-0.13.1.tgz",
+      "integrity": "sha512-Nuvywkv9CkwcUgItOCBszkc/pc8YSdiKV5E1AzOJ/p32Db50LgwhJFi5b1ANPgyWxB0Q5yn69aMURHyGi3MLyg==",
+      "requires": {
+        "@types/react": "*"
+      }
+    },
     "@types/react-transition-group": {
       "version": "4.4.0",
       "resolved": "https://registry.npmjs.org/@types/react-transition-group/-/react-transition-group-4.4.0.tgz",
@@ -3682,6 +3722,16 @@
       "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-2.2.1.tgz",
       "integrity": "sha512-GRMWDxpOB6Dgk2E5Uo+3eEBvtOOlimMmpbFiKuLFnQzYDavtLFY3K5ona41jgN/WdRZtG7utuVSVTL4HbZHGkw=="
     },
+    "clipboard": {
+      "version": "2.0.11",
+      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.11.tgz",
+      "integrity": "sha512-C+0bbOqkezLIsmWSvlsXS0Q0bmkugu7jcfMIACB+RDEntIzQIkdr148we28AfSloQLRdZlYL/QYyrq05j/3Faw==",
+      "requires": {
+        "good-listener": "^1.2.2",
+        "select": "^1.1.2",
+        "tiny-emitter": "^2.0.0"
+      }
+    },
     "cliui": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
@@ -4587,6 +4637,11 @@
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
     },
+    "delegate": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/delegate/-/delegate-3.2.0.tgz",
+      "integrity": "sha512-IofjkYBZaZivn0V8nnsMJGBr4jVLxHDheKSW88PyxS5QC4Vo9ZbZVvhzlSxY87fVq3STR6r+4cGepyHkcWOQSw=="
+    },
     "delegates": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
@@ -6435,6 +6490,14 @@
         "minimatch": "~3.0.2"
       }
     },
+    "good-listener": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/good-listener/-/good-listener-1.2.2.tgz",
+      "integrity": "sha512-goW1b+d9q/HIwbVYZzZ6SsTr4IgE+WA44A0GmPIQstuOrgsFcT7VEJ48nmr9GaRtNu0XTKacFLGnBPAM6Afouw==",
+      "requires": {
+        "delegate": "^3.1.2"
+      }
+    },
     "graceful-fs": {
       "version": "4.2.4",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.4.tgz",
@@ -8222,6 +8285,11 @@
         "object.assign": "^4.1.0"
       }
     },
+    "keycode": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/keycode/-/keycode-2.2.1.tgz",
+      "integrity": "sha512-Rdgz9Hl9Iv4QKi8b0OlCRQEzp4AgVxyCtz5S/+VIHezDmrDhkp2N2TqBWOLz0/gbeREXOOiI9/4b8BY9uw2vFg=="
+    },
     "killable": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/killable/-/killable-1.0.1.tgz",
@@ -11328,6 +11396,16 @@
       "resolved": "https://registry.npmjs.org/react-error-overlay/-/react-error-overlay-6.0.7.tgz",
       "integrity": "sha512-TAv1KJFh3RhqxNvhzxj6LeT5NWklP6rDr2a0jaTfsZ5wSZWHOGeqQyejUp3xxLfPt2UpyJEcVQB/zyPcmonNFA=="
     },
+    "react-event-listener": {
+      "version": "0.6.6",
+      "resolved": "https://registry.npmjs.org/react-event-listener/-/react-event-listener-0.6.6.tgz",
+      "integrity": "sha512-+hCNqfy7o9wvO6UgjqFmBzARJS7qrNoda0VqzvOuioEpoEXKutiKuv92dSz6kP7rYLmyHPyYNLesi5t/aH1gfw==",
+      "requires": {
+        "@babel/runtime": "^7.2.0",
+        "prop-types": "^15.6.0",
+        "warning": "^4.0.1"
+      }
+    },
     "react-ga": {
       "version": "2.7.0",
       "resolved": "https://registry.npmjs.org/react-ga/-/react-ga-2.7.0.tgz",
@@ -11449,6 +11527,85 @@
         }
       }
     },
+    "react-swipeable-views": {
+      "version": "0.13.9",
+      "resolved": "https://registry.npmjs.org/react-swipeable-views/-/react-swipeable-views-0.13.9.tgz",
+      "integrity": "sha512-WXC2FKYvZ9QdJ31v9LjEJEl1bA7E4AcaloTkbW0uU0dYf5uvv4aOpiyxubvOkVl1a5L2UAHmKSif4TmJ9usrSg==",
+      "requires": {
+        "@babel/runtime": "7.0.0",
+        "prop-types": "^15.5.4",
+        "react-swipeable-views-core": "^0.13.7",
+        "react-swipeable-views-utils": "^0.13.9",
+        "warning": "^4.0.1"
+      },
+      "dependencies": {
+        "@babel/runtime": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.0.0.tgz",
+          "integrity": "sha512-7hGhzlcmg01CvH1EHdSPVXYX1aJ8KCEyz6I9xYIi/asDtzBPMyMhVibhM/K6g/5qnKBwjZtp10bNZIEFTRW1MA==",
+          "requires": {
+            "regenerator-runtime": "^0.12.0"
+          }
+        },
+        "regenerator-runtime": {
+          "version": "0.12.1",
+          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.12.1.tgz",
+          "integrity": "sha512-odxIc1/vDlo4iZcfXqRYFj0vpXFNoGdKMAUieAlFYO6m/nl5e9KR/beGf41z4a1FI+aQgtjhuaSlDxQ0hmkrHg=="
+        }
+      }
+    },
+    "react-swipeable-views-core": {
+      "version": "0.13.7",
+      "resolved": "https://registry.npmjs.org/react-swipeable-views-core/-/react-swipeable-views-core-0.13.7.tgz",
+      "integrity": "sha512-ekn9oDYfBt0oqJSGGwLEhKvn+QaqMGTy//9dURTLf+vp7W5j6GvmKryYdnwJCDITaPFI2hujXV4CH9krhvaE5w==",
+      "requires": {
+        "@babel/runtime": "7.0.0",
+        "warning": "^4.0.1"
+      },
+      "dependencies": {
+        "@babel/runtime": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.0.0.tgz",
+          "integrity": "sha512-7hGhzlcmg01CvH1EHdSPVXYX1aJ8KCEyz6I9xYIi/asDtzBPMyMhVibhM/K6g/5qnKBwjZtp10bNZIEFTRW1MA==",
+          "requires": {
+            "regenerator-runtime": "^0.12.0"
+          }
+        },
+        "regenerator-runtime": {
+          "version": "0.12.1",
+          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.12.1.tgz",
+          "integrity": "sha512-odxIc1/vDlo4iZcfXqRYFj0vpXFNoGdKMAUieAlFYO6m/nl5e9KR/beGf41z4a1FI+aQgtjhuaSlDxQ0hmkrHg=="
+        }
+      }
+    },
+    "react-swipeable-views-utils": {
+      "version": "0.13.9",
+      "resolved": "https://registry.npmjs.org/react-swipeable-views-utils/-/react-swipeable-views-utils-0.13.9.tgz",
+      "integrity": "sha512-QLGxRKrbJCbWz94vkWLzb1Daaa2Y/TZKmsNKQ6WSNrS+chrlfZ3z9tqZ7YUJlW6pRWp3QZdLSY3UE3cN0TXXmw==",
+      "requires": {
+        "@babel/runtime": "7.0.0",
+        "keycode": "^2.1.7",
+        "prop-types": "^15.6.0",
+        "react-event-listener": "^0.6.0",
+        "react-swipeable-views-core": "^0.13.7",
+        "shallow-equal": "^1.2.1"
+      },
+      "dependencies": {
+        "@babel/runtime": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.0.0.tgz",
+          "integrity": "sha512-7hGhzlcmg01CvH1EHdSPVXYX1aJ8KCEyz6I9xYIi/asDtzBPMyMhVibhM/K6g/5qnKBwjZtp10bNZIEFTRW1MA==",
+          "requires": {
+            "regenerator-runtime": "^0.12.0"
+          }
+        },
+        "regenerator-runtime": {
+          "version": "0.12.1",
+          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.12.1.tgz",
+          "integrity": "sha512-odxIc1/vDlo4iZcfXqRYFj0vpXFNoGdKMAUieAlFYO6m/nl5e9KR/beGf41z4a1FI+aQgtjhuaSlDxQ0hmkrHg=="
+        }
+      }
+    },
     "react-transition-group": {
       "version": "4.4.1",
       "resolved": "https://registry.npmjs.org/react-transition-group/-/react-transition-group-4.4.1.tgz",
@@ -12078,6 +12235,11 @@
         }
       }
     },
+    "select": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/select/-/select-1.1.2.tgz",
+      "integrity": "sha512-OwpTSOfy6xSs1+pwcNrv0RBMOzI39Lp3qQKUTPVVPRjCdNa5JH/oPRiqsesIskK8TVgmRiHwO4KXlV2Li9dANA=="
+    },
     "select-hose": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/select-hose/-/select-hose-2.0.0.tgz",
@@ -12280,6 +12442,11 @@
         }
       }
     },
+    "shallow-equal": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/shallow-equal/-/shallow-equal-1.2.1.tgz",
+      "integrity": "sha512-S4vJDjHHMBaiZuT9NPb616CSmLf618jawtv3sufLl6ivK8WocjAo58cXwbRV1cgqxH0Qbv+iUt6m05eqEa2IRA=="
+    },
     "shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -13038,9 +13205,9 @@
       }
     },
     "terser": {
-      "version": "4.7.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.7.0.tgz",
-      "integrity": "sha512-Lfb0RiZcjRDXCC3OSHJpEkxJ9Qeqs6mp2v4jf2MHfy8vGERmVDuvjXdd/EnP5Deme5F2yBRBymKmKHCBg2echw==",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+      "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
       "requires": {
         "commander": "^2.20.0",
         "source-map": "~0.6.1",
@@ -13280,6 +13447,11 @@
       "resolved": "https://registry.npmjs.org/timsort/-/timsort-0.3.0.tgz",
       "integrity": "sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q="
     },
+    "tiny-emitter": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
+      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q=="
+    },
     "tiny-invariant": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/tiny-invariant/-/tiny-invariant-1.1.0.tgz",
@@ -13756,6 +13928,14 @@
         "makeerror": "1.0.x"
       }
     },
+    "warning": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/warning/-/warning-4.0.3.tgz",
+      "integrity": "sha512-rpJyN222KWIvHJ/F53XSZv0Zl/accqHR8et1kpaMTD/fLCRxtV8iX8czMzY7sVZupTI3zcUTg8eycS2kNF9l6w==",
+      "requires": {
+        "loose-envify": "^1.0.0"
+      }
+    },
     "watchpack": {
       "version": "1.7.2",
       "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.7.2.tgz",
diff --git a/front_end/yarn.lock b/front_end/yarn.lock
index b34ea64..3680d87 100644
--- a/front_end/yarn.lock
+++ b/front_end/yarn.lock
@@ -2734,9 +2734,9 @@ bser@2.1.1:
     node-int64 "^0.4.0"
 
 buffer-from@^1.0.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
-  integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.2.tgz#2b146a6fd72e80b4f55d255f35ed59a3a9a41bd5"
+  integrity sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==
 
 buffer-indexof@^1.0.0:
   version "1.1.1"
@@ -10277,9 +10277,9 @@ source-map-resolve@^0.5.0, source-map-resolve@^0.5.2:
     urix "^0.1.0"
 
 source-map-support@^0.5.6, source-map-support@~0.5.12:
-  version "0.5.16"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.16.tgz#0ae069e7fe3ba7538c64c98515e35339eac5a042"
-  integrity sha512-efyLRJDr68D9hBBNIPWFjhpFzURh+KJykQwvMyW5UiZzYwoF6l4YMMDIJJEyFWxWCqfyxLzz6tSfUFR+kXXsVQ==
+  version "0.5.21"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.21.tgz#04fe7c7f9e1ed2d662233c28cb2b35b9f63f6e4f"
+  integrity sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==
   dependencies:
     buffer-from "^1.0.0"
     source-map "^0.6.0"
@@ -10770,9 +10770,9 @@ terser-webpack-plugin@^1.4.3:
     worker-farm "^1.7.0"
 
 terser@^4.1.2, terser@^4.4.3, terser@^4.6.3:
-  version "4.6.7"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.7.tgz#478d7f9394ec1907f0e488c5f6a6a9a2bad55e72"
-  integrity sha512-fmr7M1f7DBly5cX2+rFDvmGBAaaZyPrHYK4mMdHEDAdNTqXSZgSOfqsfGq2HqPGT/1V0foZZuCZFx8CHKgAk3g==
+  version "4.8.1"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.1.tgz#a00e5634562de2239fd404c649051bf6fc21144f"
+  integrity sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"