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 another transportation fuel., Question: What is produced by alcoholic fermentation of glucose in corn? (A) peachleaf willow (B) A compound that donates proton (C) A cleaning fluid (D) A source of electricity (E) A transportation fuel (F) Organic compounds (G) A yeast (H) Chemical energy
E