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 system is capable of responding quickly to changing situations? Answer: nervous system
Example Output: Nervous system system is capable of responding quickly to changing situations.

Example Input: Question: What is the highest taxon in the classification of living things? Answer: a domain
Example Output: A domain is the highest taxon in the classification of living things.

Example Input: Question: What is a wall of rocks or concrete called? Answer: groin
Example Output:
A wall of rocks or concrete a called a groin.