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.

Ex Input:
Question: Which is a function of the cardiovascular system? Answer: to transport gases throughout the body

Ex Output:
One function of the cardiovascular system is to transport gases throughout the body.


Ex Input:
Question: What do you call sound that has a wave frequency higher than the human ear can detect? Answer: ultrasound

Ex Output:
You call sound that has a wave frequency higher than the human ear can detect ultrasound.


Ex Input:
Question: Currently, the only known stable systems undergoing fusion are what? Answer: interiors of stars

Ex Output:

Currently, the only known stable systems undergoing fusion are interiors of stars.