Assertion: stairwell's floor | /r/HasProperty | either the top
Facets:
Source sentences:
text: This section requires at least 2 doors in a stair to be unlocked, no more than 4 locked floors between unlocked floors, either the top or next to top level must be unlocked and must allow access to another exit, the doors allowing reentry must be marked as such, and doors not allowing reentry must have signage which indicates the closest unlocked door in each direction.