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: Grooves in the ground are a sign of (A) sink holes (B) erosion (C) water accumulation (D) high traffic

Output: B

Input: Consider Input: adding a direct flame to container of acid causes a (A) dormant cycle (B) lot of nothing (C) lower temperature (D) vapor expulsion

Output: D

Input: Consider Input: What is the most sensible reason why a stove is often just white? (A) it scatters all photons away from it without absorbing any (B) a chef specified white makes food cook better (C) it was black until someone scrubbed all the blood off it and it turned white (D) confining a stove to any specific color is color-shaming and indicates white privilege
Output: A