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: Obstacles that might impede a dune are (A) God (B) emotions (C) cacti (D) cancers
Example Output: C

Example Input: A circuit is parallel when more than one pathway has flowing what? (A) ideas (B) stocks (C) water (D) zapping energy
Example Output: D

Example Input: If a sunbeam shoots through a rainstorm, (A) hues show up (B) fields are burned (C) trees blow up (D) mice grow up
Example Output:
A