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: friction causes the temperature of an object to increase, Fact2: When a fire breaks out in a home, the temperature in the room increases., Question: Friction can cause fires to break out in a home due to what? (A) heating liquids (B) wind speed (C) temperature (D) centripetal force (E) wire placement (F) friction (G) cigarettes (H) heat energy

A: C
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Q: Fact1: most canyons are formed by flowing rivers through erosion over long periods of time, Fact2: Canyon formed as a consequence of river erosion., Question: what does erosion form? (A) valleys (B) Sediment (C) mountains (D) canyons (E) soils (F) hills (G) soft soil (H) loose soil

A: D
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Q: Fact1: Plants that are adapted to very dry environments are called xerophytes., Fact2: Succulents, bromeliads and cacti are xerophytes., Question: Cacti are adapted to what? (A) the snow (B) dry environments (C) Animal survival (D) survival (E) tropical regions (F) moist environments (G) relocation (H) salt and water.

A:
B
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