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: Spring tides occur during which lunar phases?  
 (A) first quarter and last quarter (B) full moon and new moon (C) when the moon is waxing (D) when the moon is waning
Example Output: B

Example Input: Ribosomes present in a particular cell are smaller than those found in plants. In which taxonomic group or groups could the cell be classified?  
 (A) fungi only (B) archaea only (C) bacteria or archaea (D) bacteria or fungi
Example Output: C

Example Input: Which best describes why winds at the beach change direction between day and night?  
 (A) because the temperatures over land and over water change (B) because warm air over land sinks and stays in place over land (C) because cool air rises and is replaced by warm air from the ocean (D) because cool air sinks and stays in place over land
Example Output:
A