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:
A thing which moves very little over quite a lot of time is a (A) pack of wolves (B) racing horses (C) falling rocks (D) giant ice brick

Ex Output:
D


Ex Input:
migration is when what move to different locations in an annual cycle? (A) animal figurines (B) sedentary animals (C) habitual creatures (D) currents

Ex Output:
C


Ex Input:
Squirrels are seed dispersers because (A) they bury their food (B) they prefer to eat acorns (C) squirrels live in trees (D) they eat lots of nuts

Ex Output:

A