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: Mutualism is a symbiotic relationship in which both species benefit., Fact2: Domestication of animals is an example of a symbiotic relationship., Question: An example of mutualism is (A) mold growth (B) nucleotides composing polymers (C) occurs over a wide range (D) viruses (E) inherited antigens + antibody (F) parasites (G) domestication of animals (H) communication
Output:
G