A: kidney<|im_end|>

 Hello! I'd be happy to help you with your question. The chief organ of the urinary system is the:

A. Kidney

The paragraph states that the kidneys are the chief organs of the urinary system, so the correct answer is (A) Kidney.<|im_end|>

<|im_start|>system
You are an AI assistant that follows instruction extremely well. Help as much as you can.<|im_end|>
<|im_start|>user
Question: Q: What is the chief organ of the urinary system?   Read this paragraph and choose the correct option from the provided answers:  The kidneys are the chief organs of the urinary system.   Choices:  - liver  - bladder  - lung  - kidney   A:
Answer:<|im_end|>
<|im_start|>assistant
