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").

Ex Input:
Why might wolves a new area where a lot of deer live? (A) The wolves eat the same things that the deer eat (B) They wanted to be friends with the deer. (C) The wolves stay near the deer for protection (D) The wolves use the deer for nutrition

Ex Output:
D


Ex Input:
Animals may relocate to a new environment if their old environment (A) experienced a large hurricane (B) experienced a serious thunderstorm (C) had a few arid days (D) had little rainfall for a week

Ex Output:
A


Ex Input:
The lunar face appears to change 52 times (A) a millennium (B) a month (C) a day (D) annually

Ex Output:

D