Stair may rail on side of stairs.Logical formLearned from2 sentences. Violations may be associated with stairs.Logical formLearned from2 sentences. (Wind posts) may support (stair landings).Logical formLearned from2 sentences. A section may apply to stairs.Logical formLearned from2 sentences. Stairs can be articulated.Logical formLearned from2 sentences. Specifications can be for a design of stairs.Logical formLearned from2 sentences. A (stair rail) can be on a side.Logical formLearned from2 sentences. A (stair rail) may be placed.Logical formLearned from2 sentences. Stairs can be wet.Logical formLearned from2 sentences. Stairs may be equipped with surfaces.Logical formLearned from2 sentences. (Stair rail) may mean a barrier.Logical formLearned from2 sentences. A (tread ladder) can be in a form of stairs.Logical formLearned from2 sentences. (Exit stairs) may be interrupted at a level by doors.Logical formLearned from2 sentences. Police may rush_up stairs of buildings.Logical formLearned from2 sentences. Stairs may lead to a balcony.Logical formLearned from2 sentences.