Q: 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").
Fact1: a stove is used for cooking by generating heat, Fact2: Gas is the source of energy for heating water and for the stove., Question: What does a stove use to cook? (A) fire (B) wood (C) Water (D) oil (E) food (F) Nitrogen (G) Gas (H) h20
A:
G