Detailed Instructions: 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").
Q: Fact1: irradiating food can be used to kill existing microorganisms in the food, Fact2: Food irradiation is blazingly high-tech., Question: a blazingly high-tech method can be used to kill existing microorganisms in what? (A) blood (B) trout (C) caverns (D) stars (E) food (F) algae (G) radioactive material (H) humans
A:
E