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: You can find ferrous metals in (A) Grass (B) Vehicle scraps (C) Wood (D) Glass
Example Output: B

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: There are nutrients in dirt, like magnesium, and those nutrients may be (A) poisoned (B) collected into vegetation (C) set on fire (D) taught to read
Example Output:
B