A whistle may signal that something-is-the-case.Logical formLearned from3 sentences. A male may blow a whistle on (safety problems).Logical formLearned from3 sentences. A female may play a whistle.Logical formLearned from3 sentences. A (half-time whistle) may sound.Logical formLearned from3 sentences. A whistle can be melodic.Logical formLearned from3 sentences. A sequence can be constituted-of-or-filled-with whistles.Logical formLearned from3 sentences. Whistles can be slow.Logical formLearned from3 sentences. Whistles can be prolonged.Logical formLearned from3 sentences. A whistle can be ever-present.Logical formLearned from3 sentences. A whistle can be beautiful.Logical formLearned from3 sentences. A blast can be on a whistle.Logical formLearned from3 sentences. Whistles can be slurred.Logical formLearned from3 sentences. Response can be to a whistle.Logical formLearned from3 sentences. A final whistle may spark_off a celebration.Logical formLearned from3 sentences. A captain may blow a whistle.Logical formLearned from3 sentences.