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: condensing causes a liquid to form, Fact2: Vapors are cooled and condensed into liquid., Question: What can form from vapor? (A) heat (B) nicotine (C) liquid (D) water (E) glycogen (F) ice (G) fire (H) a prism
A:
C