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: Gas can fill any container it is given, and liquid (A) is standard weight and size (B) is the opposite of variable (C) only needs a few (D) uses what it needs

Output: D


Input: Consider Input: Soil could be Earth's what? (A) dermis (B) Buddy (C) Magic (D) Tears

Output: A


Input: Consider Input: Which of the following relies on vibrating matter to work? (A) soda cans (B) dog food (C) baseball caps (D) violas


Output: D