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: 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
Example Output: C

Example Input: A battery converts chemical energy into (A) energy stored due to the relative positions of charged particles or electric fields (B) energy stored due to the bombardment of particles (C) energy stored between the cells of nonadjacent particles (D) energy that is broken down in particles
Example Output: A

Example Input: birds lay (A) rocks (B) clouds (C) trees (D) calcium life pods
Example Output:
D