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: electrical current running through a wire causes that wire to heat up, Fact2: An electrical current is a flow of electrons., Question: what can run through a wire causing it to heat up? (A) flow of electrons (B) electromagnetic energy (C) flow of neutrons (D) kinetic energy (E) hydrogen and oxygen (F) chemical messengers (G) flow of protons (H) h2o
Output:
A