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.

Q: Question: Most protein antigens require signals from helper t cells (th2) to proceed to make what? Answer: antibody

A: Most protein antigens require signals from helper t cells (th2) to proceed to make antibody.
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Q: Question: What is the term for the affected factor in an experiment? Answer: dependent variable

A: Dependent variable is the term for the affected factor in an experiment.
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Q: Question: What type of pollution comes from sewage, storm drains, septic tanks, boats, and runoff from yards? Answer: municipal

A:
Municipal type of pollution comes from sewage, storm drains, septic tanks, boats, and runoff from yards.
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