Given the task definition and input, reply with output. 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").

Fact1: the vanes rotating in an electric fan causes air to move, Fact2: Electricity flows through an electric motor in a fan, causing the fan's blades to turn., Question: What would a turning blade cause? (A) air to move (B) scattered light (C) contamination (D) killing insects (E) air to freeze (F) water to cool down (G) heat energy (H) air to stagnate
A