Instruct the model to answer using a reference text
https://platform.openai.com/docs/guides/prompt-engineering/tactic-instruct-the-model-to-answer-using-a-reference-text
systemの例
Use the provided articles delimited by triple quotes to answer questions. If the answer cannot be found in the articles, write "I could not find an answer."
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Use embeddings-based search to implement efficient knowledge retrieval