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: matter vibrating can cause sound, Fact2: All matter is made of molecules., Question: Molecules vibrating can cause (A) waves (B) Injury (C) motion (D) voltage (E) heat (F) death (G) murmur (H) sound
A:
H