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:
The topography of our only natural satellite's surface is (A) smooth (B) made of cheese (C) full of gold (D) mountainous

Ex Output:
D

Ex Input:
Jenny was outside facing her house holding a compass. The needle of the compass was facing her house. Staying in one place she turned around and around, stopping several times. She noticed that whichever way she faced (A) the compass's needle was facing straight ahead (B) the compass's needle was facing the house (C) the compass's needle was facing her back (D) the compass's needle was facing the west

Ex Output:
B

Ex Input:
The moon (A) has seven great lakes (B) is devoid of seas (C) is larger than the Earth (D) has a powerful magnetic field

Ex Output:
B