Which sentence correctly uses commas to separate a nonrestrictive modifier?
The man, who owned the floral shop, watered the shop's hanging plants.
O The young child-who is my nephew- is the cutest three-year-old ever!
O My friend John, who owns a chocolate Lab puppy, is getting ready to leave for a trip.
O The student, who aced the test, was excused from completing the homework assignment.

My friend John, who owns a chocolate Lab Puppy, is getting ready to leave for a trip.

Explanation:

A nonrestrictive modifier does not restrict the meaning of the noun or sentence. Compared to the other choices, this sentence doesn't restrict the meaning of the sentence.

  dante alighieri wrote the divine comedy, a description of a spititual journey. when he wrote it , he was in exile. in florence, dante's native city, there was a social strife, they had political turmoil, and some of the   florentine names included in the narrative may have been a way that dante used to criticize his fellow citizens.

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