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: What is the most abundant element in the universe? Answer: hydrogen
Example Output: Hydrogen is the most abundant element in the universe.

Example Input: Question: What is the name given to the use of controlled nuclear fusion as an energy source? Answer: thermonuclear power
Example Output: Thermonuclear power is the name given to the use of controlled nuclear fusion as an energy source.

Example Input: Question: What are compounds with the same number of carbon and hydrogen atoms called? Answer: isomers
Example Output:
Isomers are compounds with the same number of carbon and hydrogen atoms called.