You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.

Input: Consider Input: In animal skin tissue, cell division is responsible for  
 (A) growth and repair (B) sexual reproduction (C) obtaining energy (D) production of sex cells

Output: A


Input: Consider Input: Which material is most easily recycled at school?  
 (A) plastic wrap (B) notebook paper (C) ice cream sticks (D) rubber erasers

Output: B


Input: Consider Input: Which is the most likely response of a human to an increase in temperature?  
 (A) increasing the amount of perspiration (B) increasing waste elimination from the bladder (C) a reduction in the desire for liquids (D) a contraction in blood vessels in the skin


Output: A