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: Plants derive what from soil? (A) pollination and germination (B) life sustaining substances (C) roots and oxygen (D) oxygen and argon

Output: B


Input: Consider Input: Sunlight is a source of (A) wind energy (B) warmth (C) frigid temperatures (D) moonlight

Output: B


Input: Consider Input: What does a four leaf clover need to feed itself? (A) Irish (B) luck (C) the sun (D) ibex


Output: C