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").

Input: Consider Input: Oil platforms originating from a number of oceanic placements can be related to an unintentional release of what? (A) oil pumps (B) nuclear fission (C) biological created fuel (D) solar energy

Output: C


Input: Consider Input: Adding something poisonous to an environment and harming it is called what? (A) dirtying (B) liking (C) cleaning (D) observing

Output: A


Input: Consider Input: A bud will want pollen to be extracted and then spread, so it will require (A) assistance from vice principals (B) delivery to the door (C) assistance from flying creatures (D) help from new neighbors


Output: C