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 harmless water vapor, for a powerplant? Answer: steam
Example Output: Steam is harmless water vapor, for a powerplant.

Example Input: Question: Calcium ion is an example of what kind of messenger? Answer: second
Example Output: Calcium ion is an example of a second messenger.

Example Input: Question: Human evolution shows that evolutionary changes typically occur at what pace? Answer: slow
Example Output:
Human evolution shows that evolutionary changes typically occur at a slow pace.