A male may puke on stairs.Logical formLearned from3 sentences. A male may turn toward stairs.Logical formLearned from3 sentences. Stairs may lead to a river.Logical formLearned from3 sentences. Persons may walk on stairs.Logical formLearned from3 sentences. Winding stairs may undergo an ascent.Logical formLearned from3 sentences. A symbolism may pertain-to winding stairs.Logical formLearned from3 sentences. A legend may pertain-to winding stairs.Logical formLearned from3 sentences. A male may appear at a foot of stairs.Logical formLearned from3 sentences. An one can be on stairs.Logical formLearned from3 sentences. Others may run_down stairs.Logical formLearned from3 sentences. A male may bound_up stairs of a building.Logical formLearned from3 sentences. A wife may fall_down stairs.Logical formLearned from3 sentences. Favor may pertain-to stairs.Logical formLearned from3 sentences. Stairs may pertain-to a neighbor.Logical formLearned from3 sentences. Stairs can be without assistance.Logical formLearned from3 sentences.