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:
In a decade spring occurs (A) three times (B) twelve times (C) ten times (D) twice

Ex Output:
C


Ex Input:
The sidewalk next to a house having a crack in it and having vegetation growing from it is considered? (A) insects (B) weathering (C) erosion (D) lava

Ex Output:
B


Ex Input:
animals are unable to stay in good health without enough (A) sustenance (B) video games (C) socks (D) doors

Ex Output:

A