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 filament that is in a glass container will be this when a switch is flipped to cause glass to glow: (A) dark (B) toasty (C) cold (D) icy

Ex Output:
B


Ex Input:
Quartz can very easily damage (A) smelted silica (B) granite (C) diamonds (D) steel

Ex Output:
A


Ex Input:
As the size of a flower increases (A) more bees visit the flowers surrounding it (B) more honey makers will be drawn to the flower (C) the flower blooms anew (D) birds will eat the flower

Ex Output:

B