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: Sliding off concrete and onto gravel produces higher levels of (A) shine (B) value (C) longevity (D) chafing
Example Output: D

Example Input: Dirt is moved from one part of a forest to another, and travels across a field to get there. The movement is (A) caused by gusts (B) due to clouds (C) made by trees (D) because of litter
Example Output: A

Example Input: If you place a piece of paper on a hot object it will leave a (A) damp spot (B) a curl (C) some ice (D) a singe mark
Example Output:
D