Detailed Instructions: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Q: Fact1: sound can be used for communication by animals, Fact2: For mating, communication is between individuals of the same organism., Question: What do animals use to find a mate? (A) desire (B) sound (C) saliva (D) humans (E) Light (F) DNA (G) zoos (H) gametes
A:
B