. Use two commas around “extra information” in a sentence to show that it is not important to the meaning of that sentence if taken out. For example: “The hardware store down the street, which had been paved recently, is open until midnight five days a week.” (Points : 1)

True
False

http://grammar.ccc.commnet.edu/grammar/commas.htm

Read #4 and let us know what you think.