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: What activity is a part of the wheel of organic life? (A) having sex (B) black holes (C) nuclear meltdowns (D) supernova

Output: A


Input: Consider Input: A plant needing to photosynthesize will best be able to (A) in a roofless room (B) in a cardboard box (C) in a windowless room (D) in a car with tinted windows

Output: A


Input: Consider Input: If your body is hot, it will cool down if you put what on it (A) hot water (B) an ice pack (C) Fire (D) the sun


Output: B