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: Living things are classified as producers or consumers according to  
 (A) their speed of movement (B) the size of their communities (C) how they obtain food (D) how they reproduce

Output: C


Input: Consider Input: On a cold, cloudy day, the local weather forecaster predicts that a high-pressure system will be moving into the area in the next 24 hours. Which weather conditions will this system most likely bring to the area?  
 (A) stormy (B) sunny (C) snowy (D) hot

Output: B


Input: Consider Input: Runoff from farms that use fertilizers is entering a small lake. This will most directly affect the lake by causing  
 (A) the lake to dry up. (B) algae to grow in the lake. (C) the lake to become deeper. (D) water in the lake to become solid.


Output: B