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: some light bulbs convert electricity into light and heat energy, Fact2: Heat energy is the amount of energy in a substance., Question: some light bulbs convert electricity into light and the amount of what? (A) energy in a substance (B) hydrogen and oxygen (C) It decreases (D) matter vibrating (E) Inches or fractions of inches. (F) reducing acid rain (G) harmful substances (H) Males and females
Output:
A