A female may skip a flight of stairs.Logical formLearned from2 sentences. Stairs may link decks.Logical formLearned from2 sentences. Stairs can be alarmed.Logical formLearned from2 sentences. A house can be without stairs.Logical formLearned from2 sentences. Stairs can be in (apartment buildings).Logical formLearned from2 sentences. Walls may pertain-to a (stair hall).Logical formLearned from2 sentences. A tan may trundle_down stairs of a military-or-other-action-organization.Logical formLearned from2 sentences. A flight of stairs may go a way to a balcony.Logical formLearned from2 sentences. Corners may pertain-to (stair treads).Logical formLearned from2 sentences. Skateboarders may use stairs.Logical formLearned from2 sentences. Stairs can be with wiring.Logical formLearned from2 sentences. Stairs can be in an underwear.Logical formLearned from2 sentences. Some persons may step on (stair climbing machines).Logical formLearned from2 sentences. Stairs can be with force.Logical formLearned from2 sentences. A (blood trail) may lead_down stairs from a bedroom.Logical formLearned from2 sentences.