A house may have stairs.Logical formLearned from3 sentences. A stair may rail.Logical formLearned from3 sentences. Undertaker may climb (ring stairs).Logical formLearned from3 sentences. Stairs can be hot.Logical formLearned from3 sentences. Stairs may scream.Logical formLearned from3 sentences. Stairs can be noisy.Logical formLearned from3 sentences. A person may navigate stairs.Logical formLearned from3 sentences. A voice may come from a top of stairs.Logical formLearned from3 sentences. Stairs may lead_up to a bedroom.Logical formLearned from3 sentences. Stairs may lead to a hall.Logical formLearned from3 sentences. A female may start_down stairs.Logical formLearned from3 sentences. A political-leader may fall_down a flight of stairs.Logical formLearned from3 sentences. A male may scrutinize stairs.Logical formLearned from3 sentences. Stairs can be unsure.Logical formLearned from3 sentences. A female may walk_down a flight of stairs.Logical formLearned from3 sentences.