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: How does sedimentary rock form?  
 (A) sediments cool (B) sediments melt (C) sediments separate (D) sediments compress
Example Output: D

Example Input: Parents with freckles often have children with freckles. This occurs because  
 (A) freckles develop from light. (B) certain foods cause freckles. (C) certain habits cause freckles. (D) freckles are an inherited trait.
Example Output: D

Example Input: The diet of a brown bear includes roots, grasses, berries, nuts, fish, insects, and mammals. Based on this description, in what category is a brown bear?  
 (A) carnivore (B) herbivore (C) omnivore (D) decomposer
Example Output:
C