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: Most fungi get organic compounds from dead organisms., Fact2: Mushrooms and molds are fungi., Question: What can get organic compounds from dead organisms? (A) roots (B) air (C) Most plants (D) nitrogen (E) ferns (F) mushrooms (G) bacteria (H) oxygen
[A]: F


[Q]: Fact1: Some parasites kill their host, but most do not., Fact2: Parasites include lungworms and GI parasites., Question: What can kill their host? (A) cigarettes (B) bacteria (C) adding heat (D) heat or cold (E) burning (F) Dehydration (G) lungworms (H) Pollution
[A]: G


[Q]: Fact1: Mammals can also generate little bursts of heat by shivering., Fact2: Basically, heat is energy., Question: What can a mammal produce by shivering? (A) energy (B) motion (C) food (D) warmth (E) cells (F) fur (G) light (H) matter
[A]:
A