Some stairs can be to a basement.Logical formLearned from3 sentences. A bottom may pertain-to (deck stairs).Logical formLearned from3 sentences. Beatings can be on stairs.Logical formLearned from3 sentences. Flights may pertain-to stairs.Logical formLearned from3 sentences. Persons may go stairs.Logical formLearned from3 sentences. Kitchen can be with stairs.Logical formLearned from3 sentences. An (oak stair way) can be solid.Logical formLearned from3 sentences. Stairs can be uneven.Logical formLearned from3 sentences. (Swirl stairs) can be green.Logical formLearned from3 sentences. Doors can be at a top of stairs.Logical formLearned from3 sentences. A person may bound_down stairs.Logical formLearned from3 sentences. Stairs can be in clouds.Logical formLearned from3 sentences. A female can be on a set of stairs.Logical formLearned from3 sentences. Stairs may lead to a stage.Logical formLearned from3 sentences. Stairs can be at a back.Logical formLearned from3 sentences.