You will be given a definition of a task first, then some input of the task.
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.

What is one of the major advantages of using hydroelectric power?  
 (A) It uses renewable natural resources. (B) It is easily generated in most big cities. (C) It can be generated from any area on Earth. (D) It does not require special buildings or equipment.
Output:
A
You will be given a definition of a task first, then some input of the task.
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.

What is one of the major advantages of using hydroelectric power?  
 (A) It uses renewable natural resources. (B) It is easily generated in most big cities. (C) It can be generated from any area on Earth. (D) It does not require special buildings or equipment.
Output:
user
A
assistant
You will be given a definition of a task first, then some input of the task.
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.

What is one of the major advantages of using hydroelectric power?  
 (A) It uses renewable natural resources. (B) It is easily generated in most big cities. (C) It can be generated from any area on Earth. (D) It does not require special buildings or equipment.
Output:
A