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").

Example Input: Which would likely need a hot plate? (A) physics class (B) chemistry class (C) english class (D) math class
Example Output: B

Example Input: Three hundred and sixty five turns of the earth is (A) double half a calendar year (B) a very long time (C) almost half of a lifetime (D) more than two years
Example Output: A

Example Input: What causes food to taste sweet? (A) crystal sucrose (B) heat (C) salt (D) pepper
Example Output:
A