Work can be on stairs.Logical formLearned from2 sentences. A (spiral staircase) can be constituted-of-or-filled-with some stairs.Logical formLearned from2 sentences. Children may surge_down stairs.Logical formLearned from2 sentences. Stairs can be straight.Logical formLearned from2 sentences. (Lieutenant governor) may walk_down stairs.Logical formLearned from2 sentences. Stairs can be on a west side.Logical formLearned from2 sentences. A stair can be high.Logical formLearned from2 sentences. Stairs can be from an entrance.Logical formLearned from2 sentences. Stairs can be in a library.Logical formLearned from2 sentences. Stairs can be accessible to a general public.Logical formLearned from2 sentences. A woman may be tripped on stairs.Logical formLearned from2 sentences. Stairs may go_up to a second floor.Logical formLearned from2 sentences. Stairs can be a park.Logical formLearned from2 sentences. Stairs may agree to a contract.Logical formLearned from2 sentences. Stairs can be thin.Logical formLearned from2 sentences.