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: Cells are programmed to divide only a set number of times., Fact2: Cells reproduce asexually, by dividing., Question: Cells are programmed to _  only a set number of times. (A) migrate (B) expand (C) A computer (D) Most plants (E) allow growth (F) reproduce (G) contract (H) constrict
Example Output: F

Example Input: Fact1: crossing two living things with recessive traits causes their offspring to have that recessive trait, Fact2: Freckles are an autosomal recessive trait., Question: Crossing two living things with freckles causes who to have freckles? (A) pebbles (B) sea urchins (C) humans (D) some mammals (E) makeup (F) clothing (G) monotremes (H) offspring
Example Output: H

Example Input: Fact1: water causes refraction of light, Fact2: Halos are produced by the refraction of light., Question: What causes halos? (A) germs (B) Pacific (C) solutes (D) water (E) storms (F) glass (G) algae (H) the sun
Example Output:
D