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 is formed by rocks eroding, Fact2: Rivers erode the rocks they flow over., Question: What is formed by rivers? (A) fish (B) soil (C) rain (D) bamboo (E) spring (F) clouds (G) kayaks (H) NaCl

A: B
****
Q: Fact1: rest has a positive impact on a health, Fact2: Relaxation rests the body and meditation rest the mind., Question: Relaxation of the body has a positive impact on a what (A) intelligence (B) sight (C) consumers (D) health (E) growth (F) career (G) humans (H) survive

A: D
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Q: Fact1: Nitrogen is found in proteins, nucleic acids, and chlorophyll., Fact2: Large amounts of nitrogen are found naturally in the air and soil, and in living organisms., Question: What is  found naturally in the air and soil, and in living organisms? (A) solid, liquid, gas (B) Something with a head, thorax, and abdomen (C) metabolic reaction (D) protein,nucleic acid,chlorophy (E) Chemical energy (F) Greenhouse gasses (G) By wind and rain (H) sub-units of species

A:
D
****