A whistle may be answered.Logical formLearned from7 sentences. An umpire may blow a whistle.Logical formLearned from7 sentences. A referee can be after a final whistle.Logical formLearned from7 sentences. A (piercing whistle) may be heard for centuries.Logical formLearned from7 sentences. Minutes can be after a final whistle.Logical formLearned from7 sentences. Joy can be at a final whistle.Logical formLearned from7 sentences. Moments can be before a (half-time whistle).Logical formLearned from7 sentences. An official may blow a whistle on corruption.Logical formLearned from7 sentences. A world-city may hear whistles from fans.Logical formLearned from7 sentences. Seconds can be before a whistle.Logical formLearned from7 sentences. A player may blow a whistle on a plot.Logical formLearned from7 sentences. A country may celebrate at a final whistle.Logical formLearned from7 sentences. A person may hear whistles.Logical formLearned from7 sentences. Celebrations can be at a final whistle.Logical formLearned from7 sentences. A final whistle may blow in a world-city.Logical formLearned from7 sentences.