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: Animals adapt to cold temperatures., Fact2: Temperatures are moderate in summer and COLD in winter., Question: What do animals do in the winter? (A) Release energy (B) running and lifting (C) it keeps an organism warm (D) adapt to warm weather (E) adapt to extreme heat (F) adapt to coolness (G) shed fur (H) by making heat
Output:
F