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:
Which would create the most pollution (A) animals (B) rivers (C) smoke stacks (D) toxicity

Ex Output:
C


Ex Input:
How is a place of lower elevation affected by flooding when compared to a higher location? (A) It is more resistant than a higher place (B) The lower area is already flooded (C) It is more affected by the flood (D) It is impossible to flood a lower elevation location

Ex Output:
C


Ex Input:
pollution is when humans pollute the environment with (A) gross stuff (B) water (C) food (D) air

Ex Output:

A