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 climates has cold winters and hot summers?  
 (A) polar (B) subtropical (C) temperate (D) tropical

Output: C


Input: Consider Input: Which best explains how nutrients get into soil?  
 (A) through exposure to air (B) by absorbing sunlight (C) through decaying matter (D) by rocks eroding

Output: C


Input: Consider Input: Which cell part is correctly paired with its function?  
 (A) nucleus-controls cell activities (B) chloroplast-outside boundary of plant cells (C) cell wall-controls what goes in and out of cells (D) cell membrane-where photosynthesis takes place


Output: A