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 piece of pizza is placed within a box and becomes this when something is conducted throughout the box into the food: (A) toasted (B) meaty (C) frozen (D) cool

Output: A


Input: Consider Input: What requires photosynthesis to grow? (A) hills (B) planets (C) flora (D) people

Output: C


Input: Consider Input: A greenhouse is used to protect plants from what? (A) nutrients (B) freezing winds (C) socializing (D) fresh air


Output: B