Stairs may be connect_offed.Logical formLearned from3 sentences. Stairs may be hewned into a hill.Logical formLearned from3 sentences. A US-president may stumble_down stairs.Logical formLearned from3 sentences. A male may walk some stairs to a stage.Logical formLearned from3 sentences. Stairs can be in a house.Logical formLearned from3 sentences. A railing may pertain-to stairs.Logical formLearned from3 sentences. Apples can be for stairs.Logical formLearned from3 sentences. Stairs may be rebuilted with marble.Logical formLearned from3 sentences. Stairs may pertain-to a tomb.Logical formLearned from3 sentences. A political-leader may come_down stairs from a terrace.Logical formLearned from3 sentences. Stairs may lead from stairs.Logical formLearned from3 sentences. Stairs may be placed by an (emergency crew).Logical formLearned from3 sentences. A political-leader may go_down stairs.Logical formLearned from3 sentences. A ghost can be shimmering by a stair.Logical formLearned from3 sentences. A female may climb stairs of a castle.Logical formLearned from3 sentences.