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:
Due to camouflage, you are less likely to be able to see a polar bear in (A) a church (B) the zoo (C) alaska (D) africa

Ex Output:
C


Ex Input:
What would be an example of migration? (A) Geese leaving Michigan for Florida when temperatures are dropping (B) Cattle going to the barn to sleep at night (C) Bats flying at night to catch mosquitoes (D) Bees flying to a patch of clover flowers

Ex Output:
A


Ex Input:
I can use a ruler to measure (A) The smell of popcorn (B) the space between my toes (C) The length of air (D) how angry I am

Ex Output:

B