dentify the CORRECT essential or nonessential phrase in each sentence. Nonessential phrases are offset with commas

Question

The dog WITH A RED COLLAR is a purbread.
The raindrop rolled down the window, IN THE FRONT OF THE ROOM, very slowly.
Danielle's backpack, THE ONE NEXT TO THE DOOR, is full of notebooks and supplies.
Riley has on a purple sweater, MADE OF COTTON, that she got from her grandmother for Christmas.

Answer 1

The dog (essential phrase) is a purebred.
The raindrop rolled down the window (nonessential phrase) very slowly.
Danielle's backpack (nonessential phrase) is full of notebooks and supplies.
Riley has on a purple sweater (essential phrase) that she got from her grandmother for Christmas.