Detailed 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").
Problem:Fact1: the vanes rotating in an electric fan causes air to move, Fact2: All wind is simply air moving., Question: The vanes rotating in an electric fan causes (A) sound (B) heat (C) wind (D) current (E) motion (F) speed (G) Lift (H) vibration
Solution:
C