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: Soil can be depleted of nutrients., Fact2: Dirt is really misplaced soil., Question: When gardening what can be depleted of nutrients? (A) fertilizer (B) bacteria (C) the plant (D) coal (E) pine (F) the dirt (G) Acids (H) water

A: F
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Q: Fact1: a seismometer is used to measure the strength or magnitude of an earthquake, Fact2: Earthquakes are measured on a scale of 1 to 10., Question: How do we grade earthquakes (A) Seisometers (B) Cladistics (C) feedback (D) Measuring the ground (E) Check out the sky (F) classified (G) Taking temperature (H) the Himalayas

A: A
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Q: Fact1: Ethologists usually study how animals behave in their natural environment., Fact2: Animals are wild and can be dangerous., Question: What type of job do ethologists have? (A) dangerous (B) health (C) useless (D) easy (E) lie detectors (F) it needs them (G) basic (H) recovery

A:
A
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