A newcomer may go to stairs.Logical formLearned from7 sentences. Stairs may lead to a roof.Logical formLearned from7 sentences. A person may find stairs.Logical formLearned from7 sentences. A female may come to a top of stairs.Logical formLearned from7 sentences. Stairs may pertain-to a subway.Logical formLearned from7 sentences. Stairs can be above persons.Logical formLearned from7 sentences. A male may lie on stairs.Logical formLearned from7 sentences. A foot can be on stairs.Logical formLearned from7 sentences. A female may be tripped on stairs.Logical formLearned from7 sentences. A male may rush_down stairs.Logical formLearned from7 sentences. A view can be from a top of stairs.Logical formLearned from7 sentences. Stairs may pertain-to a dorm.Logical formLearned from7 sentences. Stairs can be by a scruff of a neck.Logical formLearned from7 sentences. Footsteps may come_up stairs.Logical formLearned from7 sentences. Stairs may pertain-to gallows.Logical formLearned from7 sentences.