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").

Example Input: Which is most accurate? (A) dams can capture powerful gusts and harness their power (B) windmills can capture lightning bolts and harness their power (C) dams can capture lightning bolts and harness their power (D) windmills can capture powerful gusts and harness their power
Example Output: D

Example Input: Where might you see light reflect? (A) rocks (B) bottled liquid (C) sand (D) wood
Example Output: B

Example Input: Invisible forces work to keep the moon near the (A) sun (B) uranus (C) mars (D) our home planet
Example Output:
D