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: if a thermal conductor is exposed to a source of heat then that conductor may become hot, Fact2: Copper is a great thermal conductor., Question: What can easily become hot if exposed to heat? (A) an object (B) engines (C) vehicles (D) animals (E) the skin (F) clams (G) copper (H) Mammal
G