Which sentence contains a nonessential relative clause?
Responses
The singer, who was very talented, knew the words to the song.
The singer, who was very talented, knew the words to the song.,
The singer who was very talented knew the words to the song.
The singer who was very talented knew the words to the song.
The singer knew the words to the song that she would sing.
The singer knew the words to the song that she would sing.,
The singer remembered the words that were difficult.