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: Echinoderms use pheromones to communicate with each other., Fact2: All echinoderms are deuterostomes ., Question: What use pheromones to communicate with each other? (A) passenger pigeons (B) honeybees (C) deuterostomes (D) Most plants (E) insects (F) animals (G) huddle together (H) orchids

A: C
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Q: Fact1: a refrigerator is used for keeping food fresh for a long period of time, Fact2: Cold temperatures keep food fresh and inhibit the growth of most bacteria., Question: A refrigerator is used for inhibiting the growth of what on food? (A) some invertebrates (B) viruses (C) molds (D) spores (E) Echinoids (F) most bacteria (G) Nematoda (H) cones

A: F
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Q: Fact1: using cell phones can cause people to become distracted, Fact2: If parents are distracted while driving, accidents are more likely., Question: Using cell phones while driving can increase (A) depress neuronal excitability (B) nitrous oxide levels (C) a lot of human deaths (D) exposure to cold (E) the chance of an accident (F) gas mileage (G) speed limit (H) death and devastation

A:
E
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