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 at the top of the mesosphere? Answer: mesopause
Example Output: The mesopause is at the top of the mesosphere.

Example Input: Question: What do you call the hard case that surrounds the soft parts of some animals? Answer: exoskeleton
Example Output: You call the hard case that surrounds the soft parts of some animals the exoskeleton.

Example Input: Question: In which process do two light nuclei combine to produce a heavier nucleus and great energy? Answer: nuclear fusion
Example Output:
In the nuclear fusion process, two light nuclei combine to produce a heavier nucleus and great energy.