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: irradiating food can be used to kill existing microorganisms in the food, Fact2: Cooking either diminishes or eliminates the vitamins and enzymes in fresh foods as does irradiation., Question: What does cooking food do? (A) it keeps an organism warm (B) Makes it taste bad (C) depress neuronal excitability (D) Kills organisms and vitamins (E) get chemical reactions started (F) Makes it cold (G) converting electricity to heat (H) Makes it spoil
Output:
D