Gemini: put your question after the long context, not before
With big documents or code, Google advises supplying all context first, then your specific instructions at the very end, bridged by a clear transition.
Gemini tips & tricks
Gemini: include a few varied examples in your prompt
Google recommends always including few-shot examples. Clear examples can even replace instructions for format and tone.
The three C's: concise, clear, consistent, plus a new chat per topic
Google's prompting framework: persona, task, context, format. Write concisely and clearly, reuse the same terms, and start fresh chats for new topics.