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: If a thing is using other animals for nourishment, then the thing is a (A) predator (B) producer (C) inanimate (D) herbivore
Example Output: A

Example Input: Magnetic media, such as TVs, computer monitors, credit cards and pacemakers can be damaged when exposed to (A) neodymium (B) a paper clip (C) copper penny (D) metal nails
Example Output: A

Example Input: A cypress tree's stout roots splitting asphalt is an example of (A) cookie elves (B) compacting (C) weathering (D) beer
Example Output:
C