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: Which of the following is most consistent with the modern theory of evolution?  
 (A) Parents pass their physical traits to their offspring; those offspring with traits that help them survive in the environment are able to reproduce. (B) Parents change their physical traits in order to survive in the environment, then those parental traits are passed to their offspring. (C) Life on this planet came from another planet far out in space. (D) Living organisms have not changed for hundreds of millions of years.

Output: A


Input: Consider Input: Wave energy from the ocean can be harnessed to power generators to make electricity. Energy from ocean tides can also be used to make electricity. How would you categorize these two sources of energy?  
 (A) Both are renewable. (B) Both are nonrenewable. (C) Wave energy is nonrenewable. Tidal energy is renewable. (D) Wave energy is renewable. Tidal energy is nonrenewable.

Output: A


Input: Consider Input: Which statement is a description of weather?  
 (A) Summers in Tucson are hot and dry. (B) Winters in Flagstaff are cold and snowy. (C) The temperature is 55° F in Winslow today. (D) The Sun will set in Yuma today at 6:45 p.m.


Output: C