Question

Which sentence correctly uses commas to separate the nonessential element? a. The James Madison Memorial Building built in 1981, houses the Folger Shakespeare Library. b. The James Madison Memorial Building, built in 1981, houses the Folger Shakespeare Library. c. The James Madison Memorial Building, built in 1981 houses the Folger Shakespeare Library. d. The James Madison Memorial Building built in 1981 houses the, Folger Shakespeare Library.

Answer 1

The James Madison Memorial Building, built in 1981, houses the Folger Shakespeare Library.

Answer 2

The correct answer is b. The James Madison Memorial Building, built in 1981, houses the Folger Shakespeare Library

In this case, it is correctly used because the "built in 1981" is an apposition separated with commas.