Stairs may include landings.Logical formLearned from2 sentences. Stairs can be at a back of shops.Logical formLearned from2 sentences. A stair may land at a base.Logical formLearned from2 sentences. An opening can be for stairs.Logical formLearned from2 sentences. Some levels may be connected by a stair.Logical formLearned from2 sentences. (Stair openings) may undergo a framing.Logical formLearned from2 sentences. A structure can be with stairs.Logical formLearned from2 sentences. Stairs can be built-in.Logical formLearned from2 sentences. Stairs can be ceremonial.Logical formLearned from2 sentences. Stairs can be in (atrium areas).Logical formLearned from2 sentences. A stair can be in an atrium.Logical formLearned from2 sentences. Railings may pertain-to a stair.Logical formLearned from2 sentences. A male may walk_down a flight of stairs.Logical formLearned from2 sentences. Stairs may lead to parts of a barrio.Logical formLearned from2 sentences. Exits can be from (exit stairs).Logical formLearned from2 sentences.