A person may sit at a bottom of stairs.Logical formLearned from6 sentences. A male may crawl_up stairs.Logical formLearned from6 sentences. A room can be under stairs.Logical formLearned from6 sentences. Houses can be with stairs.Logical formLearned from6 sentences. A male may come_up stairs.Logical formLearned from6 sentences. A person may know stairs.Logical formLearned from6 sentences. A stair can be blank.Logical formLearned from6 sentences. A female may be headed for stairs.Logical formLearned from6 sentences. A female may walk_down a flight of stairs.Logical formLearned from6 sentences. Stairs may lead to a chamber.Logical formLearned from6 sentences. Stairs may lead_up to a room.Logical formLearned from6 sentences. A person can be in stairs.Logical formLearned from6 sentences. Stairs may lead to a floor.Logical formLearned from6 sentences. A male may careen_up stairs.Logical formLearned from6 sentences. Stairs can be rocky.Logical formLearned from6 sentences.