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:
If a thing has a good impact on nature, it is most likely (A) putting plastics in special containers (B) burning old used tires (C) putting cigarettes out in ponds (D) using aerosol air fresheners

Ex Output:
A


Ex Input:
an animal needs to burn complex carbohydrates to (A) stay up (B) move (C) sit (D) sleep

Ex Output:
B


Ex Input:
Tectonic expression can give massive amounts of data to a (A) seismograph (B) lie detector (C) geiger counter (D) glass of water

Ex Output:

A