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 a thing has a good impact on nature, it is most likely (A) putting plastics in special containers (B) burning old used tires (C) putting cigarettes out in ponds (D) using aerosol air fresheners
Example Output: A

Example Input: The national symbol for the US would most likely eat (A) roaches (B) birds (C) mosquitoes (D) salmon
Example Output: D

Example Input: When eagles are hunting in a field, some of their nutrients come from (A) beans (B) fish (C) deer (D) rodents
Example Output:
D