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: Mutations may change the structure of a chromosome or just change a single nucleotide., Fact2: SNPs involve polymorphisms at the single nucleotide level., Question: What is a potential outcome of genetic mutation? (A) HIV (B) albino (C) anemia (D) pizza eating turtles (E) genealogy (F) SNPs (G) biology (H) death
[A]: F

[Q]: Fact1: Mollusks have a circulatory system with one or two hearts that pump blood., Fact2: An abalone is a shellfish or mollusk., Question: What has a circulatory system with one or two hearts that pump blood? (A) a fish (B) sharks (C) abalone (D) elephants (E) humans (F) crocodiles (G) giraffes (H) fur seals
[A]: C

[Q]: Fact1: threatening behavior causes a fight-or-flight response in animals, Fact2: Fear also causes adrenaline to surge, which is part of the fight or flight response., Question: threatening behavior causes (A) to move people (B) population movement (C) adrenaline to surge (D) hypothyroidism (E) a pathogens (F) Plant growth is reduced (G) Greenhouse gasses (H) hyperthyroidism
[A]:
C