In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

Input: Consider Input: A source of heat may come from (A) a cold shower (B) holding hands (C) holding ice (D) Antartica

Output: B


Input: Consider Input: If a snow storm is coming you should? (A) Go out (B) Find pizza (C) Buy supplies (D) Watch Tv

Output: C


Input: Consider Input: Something that shows that the earth changes is (A) a city where a tree was (B) a lake where a tree was (C) a tree where a bird was (D) a plant where a rock was


Output: B