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 is nonmagnetic? (A) nail (B) washing machine (C) traffic cone (D) refrigerator
Example Output: C

Example Input: If a leg is moving then the bones inside the skin are (A) being controlled by brawn (B) being slowly softened up (C) being made to break down (D) being torn into pieces
Example Output: A

Example Input: A thermal conductor is made of (A) often metallic (B) types of rubber (C) types of branches (D) electrodes
Example Output:
A