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: astronauts require preserved food for extended flights, Fact2: An astronaut is a scientist who is a space explorer., Question: Space explorers require preserved foods for (A) ground training (B) nutrients (C) Dehydration (D) survival (E) long flights (F) short flights (G) Special disposal (H) day trips

A: E
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Q: Fact1: Bottleneck effect occurs when a population suddenly gets much smaller., Fact2: Fishing pressure is relatively low due to a smaller human population., Question: What can make the bottleneck effect occur in fish? (A) increased habitat (B) acid rain (C) humans (D) Winter (E) increased food (F) storms (G) increased resources (H) Toxicity

A: C
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Q: Fact1: some light bulbs convert electricity into light and heat energy, Fact2: Since the purpose of a light bulb is to generate light, the heat is wasted energy., Question: What type of energy generated by the bulbs is wasted? (A) warmth (B) stored (C) motion (D) light (E) oil (F) heat (G) sugar (H) mostly

A:
F
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