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: Which is the best way to maintain a strong, fit body? Answer: a healthy diet
Example Output: A healthy diet is the best way to maintain a strong, fit body.

Example Input: Question: Volume is another way of measuring what? Answer: material
Example Output: Volume is another way of measuring material.

Example Input: Question: Which two environmental changes usually cause certain animals to migrate? Answer: change of season and less food
Example Output:
A change of season and less food usually cause certain animals to migrate.