Complex sentence: The building had seven handsome efficiency apartments on the second floor, and stores occupied the first floor, including Tee Gee, a five-and-dime type shop; and Freeman's Drugs, operated by Clarence and Nellie Freeman.
Split into simpler sentences: The building had seven handsome efficiency apartments on the second floor. Stores occupoed the first floor, including Tee Gee, a five-and-dime type shop, and Freeman's Drugs, a drugstore operated by Clarence and Nellie Freeman.