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 these will most likely harm a habitat?  
 (A) planting trees (B) water pollution (C) rainfall (D) sunlight

Output: B


Input: Consider Input: Which of the following statements best explains why earthquakes occur more frequently in California than in Massachusetts?  
 (A) The rock found in California is igneous, but the rock found in Massachusetts is sedimentary. (B) California is located on the boundary of two crustal plates, but Massachusetts is not. (C) The rock under California is soft, but the rock under Massachusetts is hard. (D) California is located on a continental plate, but Massachusetts is not.

Output: B


Input: Consider Input: Mount St. Helens was a cone-shaped mountain that formed when molten material reached the surface of Earth and formed layers. Cone-shaped mountains form as a result of which one of these events?  
 (A) hurricanes (B) earthquakes (C) volcanic eruptions (D) sediment depositions


Output: C