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 bird is about to lay an egg, so it needs to construct a safe, round place to place the egg in. The bird constructs using (A) sticks (B) gum (C) rocks (D) tape

Ex Output:
A


Ex Input:
When the amount of food goes down, the amount of conflict between the organisms searching for it will (A) nothing. (B) remain the same (C) go down (D) go up

Ex Output:
D


Ex Input:
Which creature is built to move though wet currents? (A) a human (B) a porpoise (C) a cat (D) a bird

Ex Output:

B