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:
Redwoods are supported by (A) donations from the environmental protection agency (B) very large and thick trunks (C) twenty chainsaw wielding psychopaths (D) industrial plants near the ocean

Ex Output:
B


Ex Input:
You can find ferrous metals in (A) Grass (B) Vehicle scraps (C) Wood (D) Glass

Ex Output:
B


Ex Input:
A small rodent will fear a creature such as a fox because (A) foxes enjoy rodent dinners (B) foxes are very small (C) squirrels eat mostly beans (D) mice are able to fly

Ex Output:

A