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.

Example Input: Question: Over 90% of the energy we use comes originally from what? Answer: sun
Example Output: Over 90% of the energy we use comes originally from the sun.

Example Input: Question: What is the smallest unit of time commonly based on? Answer: second
Example Output: Second is the smallest unit of time commonly based on.

Example Input: Question: What effect does changing temperature have on a system at equilibrium? Answer: stress
Example Output:
Stress effect does changing temperature have on a system at equilibrium.