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.

[EX Q]: Question: What is the name for a series of changes in the reproductive system of mature females that repeats every month on average? Answer: menstrual cycle
[EX A]: Menstrual cycle is the name for a series of changes in the reproductive system of mature females that repeats every month on average.

[EX Q]: Question: What describes the amount of solute in a solution? Answer: tonicity
[EX A]: Tonicity describes the amount of solute in a solution.

[EX Q]: Question: What is the only continent without amphibians? Answer: antarctica
[EX A]:
Antarctica is the only continent without amphibians.

