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: In a zoo, a polar bear exhibit will contain (A) salt (B) cacti (C) strong fans (D) sand
Example Output: C

Example Input: Which is true? (A) hydrogen is composed of water and oxygen (B) waiters are composed of hydrogen and oxygen (C) most of our oceans, lakes, and pond are composed of hydrogen and oxygen (D) water is composed of hydrojets and oxyclean
Example Output:
C