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: All the water vanishes from a small depression basked in sunlight on a paved road because of (A) freezing (B) evaporation (C) condensation (D) precipitation
Example Output: B

Example Input: A glacier moved through an area years and years ago, and scientists can tell this by (A) looking at the moon (B) looking at the dogs (C) looking at the sky conditions (D) glancing at nearby stone
Example Output: D

Example Input: Where does an object feel the least pressure? (A) a riverbed (B) a puddle (C) a lake bed (D) the ocean floor
Example Output:
B