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: Ethanol is a grain alcohol., Question: What is produced by the fermentation in corn and other plants? (A) carbon dioxide (B) white vinegar (C) gasoline (D) grain alcohol (E) glucose (F) vinegar (G) Organic compounds (H) chlorofluorocarbons
D