An announcement may add that something-is-the-case.Logical formLearned from46 sentences. Changes may undergo an announcement.Logical formLearned from45 sentences. A timetable may undergo an announcement.Logical formLearned from45 sentences. Some days can be after an announcement.Logical formLearned from45 sentences. An announcement may undergo implications.Logical formLearned from45 sentences. An announcement may pertain-to a purser.Logical formLearned from45 sentences. Persons may get an announcement.Logical formLearned from45 sentences. An announcement may be published.Logical formLearned from45 sentences. An announcement can be from a US-city.Logical formLearned from45 sentences. A successor may undergo an announcement.Logical formLearned from45 sentences. An announcement may represent a step.Logical formLearned from45 sentences. An announcement can be to the world.Logical formLearned from45 sentences. An announcement can be by a world-city.Logical formLearned from45 sentences. An announcement can be by officials.Logical formLearned from45 sentences. A moment may pertain-to an announcement.Logical formLearned from45 sentences.