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: storms can do what to seeds via high altitudes (A) disperse them (B) plant them (C) destroy them (D) drown them
Example Output: A

Example Input: adding a direct flame to container of acid causes a (A) dormant cycle (B) lot of nothing (C) lower temperature (D) vapor expulsion
Example Output: D

Example Input: A bird that finds itself endangered is (A) sees others of its species in large amounts (B) friendly with many other birds (C) glad to have so much company (D) unlikely to meet more of its type
Example Output:
D