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: Playing is just one of many ways that mammals and other animals learn how to behave., Fact2: Acting is about behaving., Question: What is one of the ways that mammals and other animals learn how to act? (A) sleeping (B) Movement (C) mating (D) exercise (E) eating (F) sound (G) playing (H) motion

A: G
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Q: Fact1: Antigens are molecules that the immune system recognizes as foreign to the body., Fact2: Antigens prompt the body to produce antibodies., Question: Antigens are molecules that prompt the what of antibodies? (A) termination (B) failure (C) humans (D) decrease (E) production (F) anemia (G) rapid expansion (H) kinetic

A: E
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Q: Fact1: astronauts require preserved food for extended flights, Fact2: Custom foods and meals can be created., Question: What do astronauts need for extended flights? (A) hydrogen and oxygen (B) preserved meals (C) solid, liquid, gas (D) small meals (E) fresh meals (F) Dehydration (G) nutrients (H) surprise meals

A:
B
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