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: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants., Fact2: Corn sugar is primarily glucose., Question: Ethanol is produced by alcoholic fermentation of what? (A) chlorofluorocarbons (B) acetic acid (C) Chemical energy (D) carbon dioxide (E) Organic compounds (F) bioaerosols (G) aqueous solution (H) sugar in corn

H