You are given a science question (hard-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: Many endangered animals are captured, tagged, and then released back into their environment. The tag may be a piece of coded plastic or metal that is placed somewhere safe on the body. Which is the most likely reason to tag an animal?  
 (A) to monitor their eating habits (B) to monitor their roaming habits (C) to monitor their sleeping habits (D) to monitor their reproductive habits

Output: B


Input: Consider Input: Which of these activities is used to conserve water?  
 (A) planting crops that survive in droughts (B) running water while brushing teeth (C) washing vehicles frequently (D) watering grass after a rainfall

Output: A


Input: Consider Input: Some people suffer from a condition called carpal tunnel syndrome that causes pain in the wrists. Carpal tunnel syndrome can result from repetitive actions of the wrists and hands, such as typing on a computer keyboard. This is an example of using technology in spite of its  
 (A) help to society. (B) negative impact. (C) medical advances. (D) convenient features.


Output: B