The Emperors' Gallery includes busts and statues of Julius Caesar, Augustus, Claudius, and Caracalla.
The Emperor's Gallery has models posing as Julius Caesar, Augustus, Claudius, and Caracalla. 
mnli hypothesis: The Emperor's Gallery has models posing as Julius Caesar, Augustus, Claudius, and Caracalla.  premise: The Emperors' Gallery includes busts and statues of Julius Caesar, Augustus, Claudius, and Caracalla.