A full set can be constituted-of-or-filled-with stairs.Logical formLearned from2 sentences. A bicycle can be on stairs.Logical formLearned from2 sentences. Stairs may lead_up to a roof.Logical formLearned from2 sentences. A floor can be without stairs.Logical formLearned from2 sentences. Stairs may facilitate access.Logical formLearned from2 sentences. Platforms may be reached by stairs.Logical formLearned from2 sentences. A body may be found at a top of stairs.Logical formLearned from2 sentences. An exception may pertain-to stairs.Logical formLearned from2 sentences. A view can be from a bottom of stairs.Logical formLearned from2 sentences. A floor may be accessed by a flight of stairs.Logical formLearned from2 sentences. Some levels may be separated by stairs.Logical formLearned from2 sentences. Stairs can be to trains.Logical formLearned from2 sentences. Stairs can be annoying.Logical formLearned from2 sentences. A trap-door may lead_down a flight of stairs to a (rat pit).Logical formLearned from2 sentences. Stairs may diffuse a view from a (glass floor).Logical formLearned from2 sentences.