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: Shale is a sedimentary rock that can be metamorphosed into slate by  
 (A) cementation. (B) chemical weathering. (C) sedimentation. (D) increased pressure.

Output: D


Input: Consider Input: In 2004, Maryland recycled more than 35% of all of the waste the state produced. Which of these benefits does recycling provide to Maryland?  
 (A) fewer wild animals (B) decreased farm crops (C) less trash sent to landfills (D) decreased use of electricity

Output: C


Input: Consider Input: Which of the following would be most useful for calculating the density of a rock sample?  
 (A) microscope and balance (B) graduated cylinder and balance (C) microscope and graduated cylinder (D) beaker and graduated cylinder


Output: B