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: The sidewalk next to a house having a crack in it and having vegetation growing from it is considered? (A) insects (B) weathering (C) erosion (D) lava

Output: B


Input: Consider Input: Which is most harmful to a human? (A) dynamite going off (B) reading email (C) balloons popping (D) opening a soda

Output: A


Input: Consider Input: Nerves all have (A) microscopic parts (B) short arms (C) viable organs (D) liver transplants


Output: A