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:
A person thinks they see a UFO. They look closely, but the object becomes hard to see in the night sky as (A) gets closer to the person (B) buys a new house (C) builds a large park (D) it puts distance between them

Ex Output:
D


Ex Input:
Organisms with only one cell (A) are prohibited from specializing (B) can freely specialize openly (C) are unsure what specializing is (D) learn how to specialize

Ex Output:
A


Ex Input:
cooking a meal will lead to a transfer of energy into that meal? (A) this is false (B) this is provable (C) maybe (D) all of these

Ex Output:

B