A person may have a whistle.Logical formLearned from17 sentences. A person may blow a whistle on corruption.Logical formLearned from17 sentences. Whistles can be plastic.Logical formLearned from17 sentences. A whistle may pertain-to a ref.Logical formLearned from16 sentences. A whistle can be cheerful.Logical formLearned from16 sentences. A whistle may undergo blowings.Logical formLearned from16 sentences. Seconds can be before a final whistle.Logical formLearned from16 sentences. A whistle can be black.Logical formLearned from15 sentences. A sound may pertain-to a (train whistle).Logical formLearned from15 sentences. Whistles can be soft.Logical formLearned from15 sentences. A whistle can be constituted-of-or-filled-with appreciation.Logical formLearned from15 sentences. Whistle may undergo a contemplation.Logical formLearned from15 sentences. A case can be in contemplation of whistle.Logical formLearned from15 sentences. A final whistle can be parallel.Logical formLearned from15 sentences. A final whistle can be comprehensive.Logical formLearned from15 sentences.