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: fat is used to keep animals warm, Fact2: Humans are a new type of animal., Question: what uses fat to keep warm? (A) Lobsters (B) bacon (C) humans (D) pigeons (E) insects (F) omnivores (G) plants (H) bears

A: C
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Q: Fact1: Some parasites live on the surface of their host., Fact2: Leeches are external parasites., Question: What unwanted creature would be found on the surface of a human body using it as a host?  (A) Tapeworm. (B) Leeches. (C) Pesticides (D) animals (E) insects (F) Hookworm (G) bacteria (H) Bracelet.

A: B
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Q: Fact1: Antibodies are large, Y-shaped proteins that recognize and bind to antigens., Fact2: ALL immunogens are antigens., Question: Antibodies are large, Y-shaped proteins that recognize and bind to: (A) humans (B) A Greek letter (C) bones (D) the skin (E) animals (F) inorganic items (G) immunogens (H) water

A:
G
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