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:
what do animals need to protect them from bad weather? (A) housing (B) food (C) water (D) clothing

Ex Output:
A

Ex Input:
Which is most likely a pollinating animal? (A) bear (B) spider (C) Anthophila (D) crocodile

Ex Output:
C

Ex Input:
An area of land has more rainfall, producing more plants of various species. The plant boom causes (A) a hydrogen explosion (B) a boosted ecosystem (C) a crying child (D) an extreme drought

Ex Output:
B