Definition: 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: hitting an object causes the particles in that object to vibrate, Fact2: Geoffrey stops to hit a gong in different places, testing the concept of resonance., Question: What does gong's particles vibrating cause? (A) particle explosion (B) friction (C) silence (D) ice forming (E) heat energy (F) Energy. (G) energy (H) resonance
Output:
H