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:
Why would a lightbulb be dark? (A) the bulb needs to be charged (B) the room is too bright (C) the circuit is incomplete (D) it ran out of electricity

Ex Output:
C


Ex Input:
A metal rod is sitting outside and soaks up a lot of energy from a star, so the metal (A) cries (B) wiggles (C) sears (D) dies

Ex Output:
C


Ex Input:
Which is true? (A) one might happen upon a wild dinosaur in its home (B) one might happen upon a wild shark in a forest (C) one might happen upon a wild eagle in a van (D) one might happen upon a wild osprey in a forest

Ex Output:

D