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:
With extended feet, this creature may grab bass from overhead. (A) bees (B) shark (C) sparrow (D) eagle

Ex Output:
D


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:
As they are immobile, what is an example of how animal life helps the reproduction cycle of plants? (A) squirrels dropping seeds (B) birds building nests (C) human lumber industry (D) bugs eating leaves

Ex Output:

A