Definition: 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").
Input: Fact1: better senses have a positive impact on an animal 's survival, Fact2: Animals behave in a variety of ways which enhance their chances of survival and reproduction., Question: Animals with better what have a positive chance of reproduction? (A) hormones (B) senses (C) glycogen (D) traits (E) pigeons (F) standards (G) morals (H) ideas
Output:
B