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:
every four seasons a cedar expands it's (A) lung capacity (B) sight (C) vocal range (D) outer covering

Ex Output:
D


Ex Input:
the alps were formed by rock what? (A) growing (B) melting (C) erupting (D) creasing

Ex Output:
D


Ex Input:
Having reliable plant sources in a field, a rabbit may react by (A) having larger litters (B) finding a mate (C) eating more food (D) finding new food

Ex Output:

A