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:
Teak can be found in (A) glacier sheets (B) blue songs (C) groves (D) underwater trenches

Ex Output:
C


Ex Input:
Flowers with more pollinators (A) escalate reproduction (B) increase water usage (C) increase visual appeal (D) decrease reproduction

Ex Output:
A


Ex Input:
A person can bring harm to an animal habitat by (A) avoiding it (B) leaving it alone (C) building in it (D) ignoring it

Ex Output:

C