An announcement may have effect.Logical formLearned from51 sentences. An announcement can be over a weekend.Logical formLearned from51 sentences. Persons may have announcements.Logical formLearned from51 sentences. An announcement can be on a website.Logical formLearned from51 sentences. Reactions can be to an announcement.Logical formLearned from51 sentences. An announcement can be swift.Logical formLearned from51 sentences. A probe may undergo an announcement.Logical formLearned from51 sentences. A country may undergo an announcement.Logical formLearned from50 sentences. A link can be to an announcement.Logical formLearned from50 sentences. An announcement may be expected within hours.Logical formLearned from50 sentences. A film may undergo an announcement.Logical formLearned from50 sentences. An announcement can be by a person.Logical formLearned from50 sentences. An announcement may follow a statement.Logical formLearned from50 sentences. An announcement may be made after a close of trading.Logical formLearned from50 sentences. A conference may undergo an announcement.Logical formLearned from50 sentences.