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").

Input: Consider Input: Fact1: a greenhouse is used to protect plants from the cold, Fact2: Plants are very easily raised from seed, sown in a cold greenhouse from February to April., Question: What does a greenhouse protect plants from to help them grow easily? (A) death (B) hotness (C) Winter (D) fronts (E) heat (F) drought (G) rain (H) chill

Output: H

Input: Consider 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

Output: C

Input: Consider Input: Fact1: Any surface that has not been sterilized is likely to be covered with bacteria., Fact2: Bacteria can cause infection., Question: Any surface that has not been sterilized could result in what? (A) Major effects (B) diabetes (C) air pollution (D) erosion (E) disinfectant (F) infection (G) Car accidents (H) soap
Output: F