The correct option is Edit within a concise file that contains only the logic you are asking about.

Copilot Chat draws most of its context from the code you have open and especially from what you have selected. Working in a small and focused file reduces unrelated tokens and noise, which helps the model understand your intent quickly and return more relevant suggestions. This practice also improves response speed because there is less extraneous context to process.

Turn off syntax highlighting is incorrect because visual styling in the editor does not influence the model. Copilot reads the underlying text and context rather than colors and themes.

Remove every comment from the workspace is incorrect because comments often communicate intent and constraints that help Copilot generate better suggestions. Deleting all comments can remove useful guidance and is unnecessary.

Temporarily disable Git integration in the editor is incorrect because version control features do not affect how Copilot Chat interprets or generates code. Disabling Git has no meaningful impact on suggestion focus or speed.

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