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").

[EX Q]: Fact1: heat can change the state of matter, Fact2: Heat and temperature are the same thing., Question: What can change the state of matter? (A) temperature (B) color (C) a-a gradients (D) electricity (E) hypothyroidism (F) fossil fuels (G) global warming (H) flavor
[EX A]: A

[EX Q]: Fact1: Heterotrophs are living things that cannot make their own food., Fact2: All animals are heterotrophs., Question: what are living things that cannot make their own food? (A) hydrogen (B) clouds (C) animals (D) humans (E) bacteria (F) bushes (G) fungi (H) plants
[EX A]: C

[EX Q]: Fact1: Sex hormones are chemical messengers that control sexual development and reproduction., Fact2: Androgens are male sex hormones., Question: what are chemical messengers that control sexual development and reproduction (A) Most plants (B) h2o (C) animals (D) insects (E) androgens (F) ovaries (G) hydrogen (H) acetic acid
[EX A]:
E