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:
Glasses help you (A) fry ants (B) pay for crimes (C) remedy eyesight issues (D) observe Uranus

Ex Output:
C


Ex Input:
What might happen if too much heat is transferred to an object? (A) freezing (B) solidifying (C) burning (D) moving

Ex Output:
C


Ex Input:
an example of converting potential energy to kinetic energy is (A) a resting bird (B) a still rock (C) our own sun (D) cars spinning tires

Ex Output:

D