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 tool is best used to collect information about the weather?  
 (A) ruler (B) stopwatch (C) thermometer (D) collecting net

Output: C


Input: Consider Input: Which unit is used to express the amount of energy in food?  
 (A) Calorie (B) degree Celsius (C) milliliter (D) gram

Output: A


Input: Consider Input: Each organ in the digestive system has a specific function. During digestion, food passes from the stomach into the small intestine. Which statement best describes what takes place in the small intestine?  
 (A) Nutrients are absorbed from the food. (B) Wastes are prepared to pass out of the body. (C) Food is churned with acid to break down proteins. (D) Excess water is reabsorbed into the blood stream.


Output: A