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: When building an electrical circuit, which safety precaution should be taken first?  
 (A) use a new battery (B) wear rubber gloves (C) clean the electrical wire (D) read all directions

Output: D


Input: Consider Input: A student plants rosebushes in her front yard. The student is frequently seen pulling weeds from the base of the rosebushes. What is the most likely reason that the weeds are pulled?  
 (A) Weeds add fertilizer to the soil. (B) Weeds use nutrients the roses need to grow. (C) Weeds increase the bacteria in the soil. (D) Weeds consume most of the oxygen.

Output: B


Input: Consider Input: What advantage do some plants have over animals in a drought?  
 (A) Plants can use underground water. (B) Plants can live without water. (C) Plants release oxygen. (D) Plants cannot move.


Output: A