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.

Example Input: In some locations, squirrels sleep for long periods of time during the winter months. Which of the following most likely causes these squirrels to sleep for long periods of time?  
 (A) increase in humidity (B) decrease in temperature (C) clouds forming in the sky (D) winds blowing in the night
Example Output: B

Example Input: Which is a fact rather than an opinion about earthquakes?  
 (A) Earthquakes occur along fault lines. (B) Earthquakes are worse than hurricanes. (C) Earthquakes are bad for all local businesses. (D) Earthquakes always cause major damage to homes.
Example Output: A

Example Input: In humans, a V-shaped hairline is dominant over a straight hairline. If one parent is homozygous for a V-shaped hairline ( HH ) while the other parent is homozygous for a straight hairline ( hh ), what is the probability that the offspring of these parents will have a straight hairline?  
 (A) 0% (B) 50% (C) 75% (D) 100%
Example Output:
A