A person may feel a cut with an edge of stairs.Logical formLearned from4 sentences. A female may collapse on stairs.Logical formLearned from4 sentences. (Stone stairs) may lead.Logical formLearned from4 sentences. A male may ascend_up stairs.Logical formLearned from4 sentences. A clatter can be on stairs.Logical formLearned from4 sentences. A voice can be from stairs.Logical formLearned from4 sentences. Persons may go stairs.Logical formLearned from4 sentences. A door can be on an other side of stairs.Logical formLearned from4 sentences. A winding stair may lead to a watch.Logical formLearned from4 sentences. A person may climb_up stairs to a coffin.Logical formLearned from4 sentences. A male may sit at a bottom of stairs.Logical formLearned from4 sentences. A male may be hurried to stairs.Logical formLearned from4 sentences. A person may do a (stair climber).Logical formLearned from4 sentences. Stairs may lead_up to an apartment.Logical formLearned from4 sentences. A person may climb (temple stairs).Logical formLearned from4 sentences.