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: Acting like drawstrings to close off the alimentary canal, what regulates the passage of material between compartments? Answer: sphincter
[EX A]: Acting like drawstrings to close off the alimentary canal, the sphincter regulates the passage of material between compartments.

[EX Q]: Question: What instrument is used to make objects in space appear closer? Answer: telescope
[EX A]: A telescope is used to make objects in space appear closer.

[EX Q]: Question: Supercontinents have formed at least how many times in earth history? Answer: five
[EX A]:
Supercontinents have formed at least five many times in earth history.