Some flights can be constituted-of-or-filled-with (subway stairs).Logical formLearned from2 sentences. A bottom may pertain-to winding stairs.Logical formLearned from2 sentences. Persons can be at a top of stairs.Logical formLearned from2 sentences. A stair can be black.Logical formLearned from2 sentences. A male may climb_up stairs to a room.Logical formLearned from2 sentences. A woman may climb stairs.Logical formLearned from2 sentences. A (stair hall) can be open.Logical formLearned from2 sentences. A table can be under stairs.Logical formLearned from2 sentences. Stairs may be fitted.Logical formLearned from2 sentences. A female may hit a (bottom stair).Logical formLearned from2 sentences. Stairs can be fine.Logical formLearned from2 sentences. Stairs may lead to an unit.Logical formLearned from2 sentences. A male may stomp_down stairs.Logical formLearned from2 sentences. Stairs may narrow.Logical formLearned from2 sentences. A reaction can be to stairs.Logical formLearned from2 sentences.