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:
When is fog most likely to occur (A) 3 p.m. (B) midnight (C) 6 p.m. (D) noon

Ex Output:
B


Ex Input:
You can find ferrous metals in (A) Grass (B) Vehicle scraps (C) Wood (D) Glass

Ex Output:
B


Ex Input:
What absorbs nutrients from soil into themselves through their roots? (A) flour (B) power plants (C) animals (D) flora

Ex Output:

D