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: A vehicle stops when brakes are pressed because (A) the tires are being halted by pressure (B) the streets are bumpy (C) the roads have friction (D) the tires are unable to create friction
Example Output: A

Example Input: What does a tuna have that causes it to swim faster than a seahorse? (A) Lower body temperature (B) Bigger scales (C) Bigger fins (D) Thicker caudal fin
Example Output: C

Example Input: Succulents will die during winter months in canada without the aide of a (A) glass structure (B) firehouse (C) smokehouse (D) bonfire
Example Output:
A