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: Which most likely requires the aid of specialized tissues at the ends of stems? (A) human assisted space travel (B) the quick growth of bamboo (C) cats digging with their claws (D) the slow growth of mammals

Output: B

Input: Consider Input: Which likely can hydrate without moving? (A) a panda (B) a bamboo stalk (C) a raccoon (D) a dog

Output: B

Input: Consider Input: rocks often contain large amounts of (A) chocolate (B) shoes (C) hard shiny alloy (D) rubber
Output: C