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 type of biological entity on the earth? Answer: viruses
Example Output: Viruses are the most abundant type of biological entity on the earth.

Example Input: Question: Which are the closest living relations to land plants? Answer: charophytes
Example Output: Charophytes are the closest living relations to land plants.

Example Input: Question: What kind of organisms are prokaryotes? Answer: single-celled
Example Output:
Single-celled organisms are prokaryotes.