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").
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Question: Fact1: thick fur can be used for keeping warm, Fact2: When the body is warm, heat production is minimized., Question: thick fur can be used for minimizing what? (A) heat energy (B) heat production (C) scattered light (D) energy usage (E) freezer burn (F) movie production (G) fur production (H) Temperature

Answer: B

Question: Fact1: coal is used for generating heat by burning, Fact2: Coal and lignite are the lithified remains of plants., Question: What are the lithified remains of plants used for? (A) heat production (B) generating heat by burning (C) harvesting crops (D) damming rivers (E) food and shelter (F) heat is produced (G) A transportation fuel (H) planting seeds

Answer: B

Question: Fact1: uneven heating of the Earth 's surface cause wind, Fact2: Hurricanes are made of wind., Question: What causes hurricanes on the Earth's surface? (A) uneven heating (B) volcanoes (C) hurricanes (D) Physical weathering (E) It gets heated up (F) Water expanding (G) even heat (H) Greenhouse gases

Answer:
A