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: a car engine usually converts gasoline into motion and heat through combustion, Fact2: Combustion is a type of oxidation reaction., Question: how does a car engine usually convert gasoline into motion and heat? (A) Evaporation (B) compound of hydrogen oxygen (C) kinetic energy (D) antifreeze (E) oil changes (F) igniting fuel and oxidiser (G) using the turn signal (H) oxidation reaction
Output:
H