A person may scrub stairs.Logical formLearned from2 sentences. A stair may connect levels.Logical formLearned from2 sentences. A person may stand on some stairs.Logical formLearned from2 sentences. Stairs can be out.Logical formLearned from2 sentences. Stairs may sing.Logical formLearned from2 sentences. Stairs can be at an entrance.Logical formLearned from2 sentences. A home may have stairs.Logical formLearned from2 sentences. Stairs may pertain-to a victorian home.Logical formLearned from2 sentences. Stairs can be obstacles.Logical formLearned from2 sentences. Stairs can be to a bedroom.Logical formLearned from2 sentences. Stairs may be pictured.Logical formLearned from2 sentences. Stairs can be from a main road.Logical formLearned from2 sentences. Persons may wait at a top of stairs.Logical formLearned from2 sentences. An apartment may have stairs.Logical formLearned from2 sentences. An album may pertain-to stairs.Logical formLearned from2 sentences.