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: an animal needs to attract a mate to reproduce, Fact2: Pheromones have long been known to exist in animals, as scents that attract sex partners., Question: What are pheromones used for? (A) genetic diversity (B) Predators (C) gene flow (D) growth (E) Plant reproduction (F) Reproduction (G) Protection (H) Digestion
Output:
F