instruction:
You are given a science question (hard-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.
question:
Biologists are studying the white-tailed deer population in Ohio. Which question could the biologists most likely answer?  
 (A) How fast does this deer population grow? (B) What percentage of people enjoy watching deer? (C) Does this deer population like warmer states? (D) Should people raise deer as pets?
answer:
A


question:
You need to move products across the ocean from Boston to Europe. What are your choices?  
 (A) ship or airplane (B) truck or ship (C) truck or airplane (D) tunnel or ship
answer:
A


question:
Which factor most accurately describes the statement "Survival of the fittest" in relation to natural selection?  
 (A) the mutation rate (B) the ability of offspring to reproduce (C) the amount of food an organism obtains (D) the ability to withstand environmental extremes
answer:

B