Objective: Restrict responses to a specific block of text.
Place a passage inside delimiters (### or triple backticks).
Add instructions: “Answer using only the text inside the delimiters.”
Compare the output with and without delimiters to see the effect.
Place text inside delimiters (e.g., ### or ) and instruct: “Use only this text.”
or
This is the only text you can use.
Delimiters restrict the model’s context and reduce unrelated or invented details.