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Computing recall at 5

A query has 3 relevant chunks in the index. Your retriever returns 5 chunks, and 2 of them are relevant. What are recall@5 and precision@5?

A.Recall@5 = 0.40, precision@5 = 0.67B.Recall@5 = 0.67, precision@5 = 0.67C.Recall@5 = 0.67, precision@5 = 0.40D.Recall@5 = 1.00, precision@5 = 0.40