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 light using energy can cease that activity when (A) light bulbs are gold (B) lights are always on (C) wall switch is adjusted (D) walls are painted blue

Ex Output:
C


Ex Input:
Due to camouflage, you are less likely to be able to see a polar bear in (A) a church (B) the zoo (C) alaska (D) africa

Ex Output:
C


Ex Input:
If you wanted to make a metal bed frame, where would you start? (A) search for rocks (B) make dinner (C) slice bread (D) dump out water

Ex Output:

A