Use Group A consists of a group of uses, selected from Use Groups VI and VIII, as modified in this Section, and may be open or enclosed: 

Use Group A1

From Use Group VIII 

Amusement or recreation facilities 

Outdoor amusement parks    

Use Group A2

From Use Group VI

Health and fitness establishments 

From Use Group VIII 

Arenas or auditoriums, with capacity limited to 2,000 seats  

Theaters, including movie theaters, provided such use does not occupy the ground floor level of a building, except for lobbies limited to a maximum street frontage of 30 feet, except that on corner lots one street frontage may extend up to 100 feet.