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: A teacher breaks a bar of pure copper into two different sized pieces. Which is the most likely difference between the two pieces?  
 (A) mass (B) texture (C) boiling point (D) melting point

Output: A


Input: Consider Input: Which two processes occur during the life spans of all animals?  
 (A) hibernation and migration (B) growth and development (C) changing color and shedding fur (D) building nests and communication

Output: B


Input: Consider Input: Mrs. Henry's class studied the arrangement of planets in the solar system. Which planets are closest to each other?  
 (A) Mars and Earth (B) Saturn and Jupiter (C) Mercury and Venus (D) Uranus and Neptune


Output: C


