(7) "Public building" means any building which is open to the public during normal business hours and is not an exempted building, including the following:

(6) "Public building" means a building owned or leased by an agency, which is open to the public, including but not limited to the following:

"Public building" means any structure which is generally open to members of the public with or without the payment of an admission fee or membership dues including, but not limited to structures owned, operated, or leased by the state, the United States, any of the [...]