## Turn 1

We need to answer: "What is the backup retention policy?" The relevant chunk is [B] The backup retention policy is 35 days. So answer: "35 days" with citation. Format: "35 days" and citation. The instruction: "Answer with the policy and citation." So we should provide the policy and citation. Use only relevant chunks. So answer: "35 days" and cite [B]. Probably format: "35 days" [B]. Let's do that.