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: What determines the color of visible light? Answer: exact wavelength

Ex Output:
Exact wavelength determines the color of visible light.


Ex Input:
Question: What do we call water that has been used for cleaning, washing, flushing, or manufacturing? Answer: wastewater

Ex Output:
We call water that has been used for cleaning, washing, flushing, or manufacturing wastewater.


Ex Input:
Question: Water is an oxide of what element? Answer: hydrogen

Ex Output:

Water is an oxide of hydrogen.