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: To replenish the shade in a city that had been provided by trees that were felled by a storm: (A) grow gills and live on a raft (B) use a large lawn mower (C) get out your weed whacker (D) introduce replacement timber items
Example Output: D

Example Input: what do animals need to protect them from bad weather? (A) housing (B) food (C) water (D) clothing
Example Output: A

Example Input: Your immune system would be less effective if you didn't get enough of this (A) fake vitamin C (B) green gummy bears (C) unconscious time (D) computer time
Example Output:
C