A person may hear a whistle.Logical formLearned from113 sentences. A whistle can be sharp.Logical formLearned from108 sentences. A whistle can be inadvertent.Logical formLearned from107 sentences. A whistle may sound.Logical formLearned from106 sentences. A final whistle may sound.Logical formLearned from101 sentences. A male may let_out a whistle.Logical formLearned from95 sentences. A whistle can be high-pitched.Logical formLearned from81 sentences. A chorus can be constituted-of-or-filled-with whistles.Logical formLearned from81 sentences. Whistles can be shrill.Logical formLearned from79 sentences. A person may hear a whistle.Logical formLearned from76 sentences. A whistle may blow.Logical formLearned from75 sentences. A whistle may sound.Logical formLearned from74 sentences. A whistle may pertain-to a referee.Logical formLearned from73 sentences. A whistle can be half-time.Logical formLearned from71 sentences. A male may give a whistle.Logical formLearned from64 sentences.