How would you reason about retrieval recall vs answer faithfulness?

Instruction: Explain the difference between finding relevant evidence and using that evidence faithfully.

Context: Checks whether the candidate can explain the core concept clearly and connect it to real production decisions. Explain the difference between finding relevant evidence and using that evidence faithfully.

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The way I'd approach it in an interview is this: Recall and faithfulness are related, but they are not the same target. If recall is low, the model never sees the evidence it needs and answer quality is capped immediately. But pushing recall higher by stuffing more candidates into the prompt can also lower faithfulness because the...

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