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: If you are at a pond throwing rocks, what picnic leisure item should a rock look most like for skipping? (A) Frisbee (B) Soccer Ball (C) Football (D) Stick
Example Output: A

Example Input: If one mineral can scratch another mineral then that other mineral is softer than that one mineral, as can be tested with (A) a diamond and steel (B) a rock and glass (C) a diamond and agate (D) a ruby and salt
Example Output: C

Example Input: A goose needs to move to warmer states for the winter. Leaving its summer home, it heads out without a map, because it can always find the right way by using (A) the World's great patterns (B) the Earth's magnetic patterns (C) a map it buys later on (D) a compass that points north
Example Output:
B