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").
Input: Fact1: the vanes rotating in an electric fan causes air to move, Fact2: Air molecules move slowly when they are cool., Question: Vanes rotating in an electric fan causes air molecules to what? (A) cool (B) heat (C) Slow. (D) slow (E) fly (F) Move (G) expand (H) motion
Output:
A