instruction:
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.
question:
Question: Acting like drawstrings to close off the alimentary canal, what regulates the passage of material between compartments? Answer: sphincter
answer:
Acting like drawstrings to close off the alimentary canal, the sphincter regulates the passage of material between compartments.


question:
Question: Which is an example of a renewable energy resource? Answer: biomass
answer:
Biomass is an example of a renewable energy resource.


question:
Question: In a carbon triple bond, how many pairs of electrons are shared? Answer: three
answer:

In a carbon triple bond, three pairs of electrons are shared.