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:
Some people have an (A) tubs for skin (B) extra rib (C) snakes for hair (D) magic

Ex Output:
B


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:
What can explain that a body of water is a source of water? (A) a bird sitting in a bird bath (B) a child splashing in a tub (C) a person drinking from a glass of water (D) a deer drinking from a lake

Ex Output:

D