TASK DEFINITION: In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
PROBLEM: Question: Which human body system controls the amount of water in the body and removes wastes? Answer: urinary system

SOLUTION: The urinary system system controls the amount of water in the body and removes wastes.

PROBLEM: Question: What are reversible physical changes in matter called? Answer: changes of state

SOLUTION: Changes of state are reversible physical changes in matter called.

PROBLEM: Question: What is the largest body in the solar system? Answer: sun

SOLUTION:
The sun is the largest body in the solar system.