The sentence that includes a nonrestrictive clause is:
Rhaven, who lives down the hall, has a problem with her loud next-door neighbor.
<h3>What is a non-restrictive clause?</h3>
A non-restrictive clause is a group of words that add additional information about the subject in the sentence. In the selected sentence above, the additional information about Rhaven is that he lives down the hall.
So, we can say that the first sentence is the one that contains a non-restrictive clause.
