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: A telescope uses what to redirect light (A) money (B) shiny glass (C) lasers (D) people

Output: B


Input: Consider Input: Living underground can be used for hiding from what? (A) food (B) hunters (C) dirt (D) water

Output: B


Input: Consider Input: Where is a portable way of creating light most useful? (A) pitch-black caverns (B) sunny days (C) a bright rooms (D) the sun


Output: A