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:
As vehicles become more efficient petro consumption (A) increases (B) stops (C) decreases (D) stay the same

Ex Output:
C


Ex Input:
What displays the movement of electrons from the base atoms? (A) venus (B) mercury (C) plasma star (D) pluto

Ex Output:
C


Ex Input:
The running and moving liquid fluid during a storm causes what (A) insects (B) weather damage (C) abrasion (D) lava

Ex Output:

B