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 two forces are likely the cause of canyons? (A) water plus fire (B) fire and brimstone (C) water plus gravity (D) H20 and lemmings
Example Output: C

Example Input: A small rodent will fear a creature such as a fox because (A) foxes enjoy rodent dinners (B) foxes are very small (C) squirrels eat mostly beans (D) mice are able to fly
Example Output: A

Example Input: The many trees on a forest floor (A) are unable to decay (B) are able to regrow themselves (C) are broken down for good (D) broke, passed, will decay
Example Output:
D