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: As a soccer ball goes flying through the air, the person watching it knows that the reason is because (A) everything is aerial (B) exerting occurred (C) balls are birds (D) soccer takes wing

Output: B


Input: Consider Input: Without  photosynthesis, animals that rely on plants for this would be out of luck. (A) selling food (B) nothing (C) kissing (D) sustenance


Output: D