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:
Which of the following can be found on the moon? (A) Non-volcanic Mountains (B) Life-filled Oceans (C) Volcanic Mountains (D) Multiple Land Masses

Ex Output:
A


Ex Input:
A bear hibernates through cold weather because (A) bears get very tired (B) it is gestating young (C) resources are scarce in winter (D) winter is too cold

Ex Output:
C


Ex Input:
What needs measurements taken in the morning and evening? (A) coastal range (B) tidal range (C) wave length (D) apex

Ex Output:

B