A person may wait at a top of stairs.Logical formLearned from6 sentences. Fat persons may fall_down stairs.Logical formLearned from6 sentences. Stairs can be constituted-of-or-filled-with sand.Logical formLearned from6 sentences. Stairs may lead to a kitchen.Logical formLearned from6 sentences. A person may go_up a winding stair.Logical formLearned from6 sentences. Stairs can be closed.Logical formLearned from6 sentences. A male may climb stairs to a room.Logical formLearned from6 sentences. A (stair case) may pertain-to persons.Logical formLearned from6 sentences. Stairs may undergo a distance.Logical formLearned from6 sentences. A (stair lift) can be used.Logical formLearned from6 sentences. A person may come_up stairs.Logical formLearned from6 sentences. Someone may walk_up stairs.Logical formLearned from6 sentences. Stairs may undergo construction.Logical formLearned from6 sentences. Carpet can be on stairs.Logical formLearned from6 sentences. Stairs can be ornate.Logical formLearned from6 sentences.