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: a magnet moving in a coil of copper wire can cause an electric current, Fact2: An electric current is a flow of electric charge., Question: What is caused by moving a magnet in a coil of copper wire? (A) heat is produced (B) flow of electric charge (C) kinetic energy (D) exposure to cold (E) light energy (F) electron transport (G) electromagnetic energy (H) heat production
Output:
B