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").

Input: Consider Input: This can be used to light up a light bulb (A) grass (B) dirt (C) stones. (D) biofuel

Output: D


Input: Consider Input: Jeff noticed that the big dipper was in a different spot in the sky at 2am than where it was at 10pm. Why? (A) because of the earth's orbit (B) the stars had rotated (C) Jeff had been instantly transported thousands of miles from where he'd been at 10pm. (D) the earth had turned

Output: D


Input: Consider Input: F field mouse touched a special type of fence made for cattle and was killed instantly. The fence had a source of power. What happened? (A) The mouse was frightened to death (B) The mouse had a heart attack (C) The mouse was electrocuted (D) The mouse had cancer


Output: C