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").

Example Input: Fact1: vinegar can cause harm to the eyes, Fact2: Vinegar is dilute acetic acid., Question: What can acetic acid do to the eyes? (A) treat cataracts (B) harm them (C) Relieve pain (D) Dehydration (E) kill them (F) hydrate them (G) protect them (H) cleanse them
Example Output: B

Example Input: 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
Example Output: F

Example Input: Fact1: exercise has a positive impact on a human 's health, Fact2: Endurance exercises Endurance exercises include cycling, running, and swimming., Question: What has a positive impact on a human's health? (A) disease (B) sweating (C) death (D) injury (E) playing (F) swimming (G) food (H) stamina
Example Output:
F