Stairs may get a bit.Logical formLearned from2 sentences. A female may ascend stairs.Logical formLearned from2 sentences. A boy can be on stairs.Logical formLearned from2 sentences. Stairs can be treacherous.Logical formLearned from2 sentences. Stairs can be into a cellar.Logical formLearned from2 sentences. A second floor can be to the right of (lobby stairs).Logical formLearned from2 sentences. A gymnasium can be to stairs.Logical formLearned from2 sentences. A group can be constituted-of-or-filled-with stairs.Logical formLearned from2 sentences. A (mural stair) can be narrow.Logical formLearned from2 sentences. Stairs can be in a philosopher.Logical formLearned from2 sentences. Stairs may pertain-to a nobleman.Logical formLearned from2 sentences. Some legislators may walk_up stairs.Logical formLearned from2 sentences. Stairs may undergo climbings.Logical formLearned from2 sentences. A male may stand at a top of (basement stairs).Logical formLearned from2 sentences. Stairs may meet.Logical formLearned from2 sentences.