Given the task definition and input, reply with output. 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 car engine usually converts gasoline into motion and heat through combustion, Fact2: An internal combustion engine burns a mixture of fuel and air., Question: How does a car engine create movement? (A) Oil (B) Added pressure (C) electricity (D) activation energy (E) contracting (F) a hydraulic system (G) Burning water and salt (H) Burning fuel and air
H