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").
Q: Fact1: if gas is heated then that gas will expand, Fact2: Hydrogen chloride is a gas., Question: what will expand when heated? (A) chlorofluorocarbons (B) water vapor (C) graptolites (D) hydrogen chloride (E) deoxyribonucleic acid (F) flow of electrons (G) Calcium carbonate (H) an object
A:
D