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: Nonmetal elements are far fewer in number., Fact2: Elements to the right of the semiconductors are Nonmetals., Question: Elements to the right of the semiconductors are far what in number? (A) size (B) hole (C) fewer (D) eight (E) calcium (F) several (G) solid (H) shells
Example Output: C

Example Input: Fact1: Evolution occurs in response to a change in the environment., Fact2: Evolution Evolution is the changing pattern of life forms., Question: what happens in response to change in environment? (A) Plant growth is reduced (B) the wearing away of rock (C) lifeforms change their pattern (D) antimatter (E) density changes (F) Warm air moving into cold air (G) erosion from rivers (H) gravity changes
Example Output: C

Example Input: Fact1: a polar bear requires a cold environment, Fact2: Polar bears primarily eat seals., Question: Seals live where? (A) islets of Langerhans (B) on the ocean floor (C) aquatic animals (D) in outer space (E) holding nutrients (F) unicellular organisms (G) a cold environment (H) the desert
Example Output:
G