Public-service announcements may undergo a placement.Logical formLearned from8 sentences. An announcement may have an effect.Logical formLearned from8 sentences. Rates may undergo an announcement.Logical formLearned from8 sentences. Workshops/conferences may undergo announcements.Logical formLearned from8 sentences. An announcement can be an achievement.Logical formLearned from8 sentences. (Data releases) may undergo announcements.Logical formLearned from8 sentences. Announcements may be submitted.Logical formLearned from8 sentences. A comment may follow an announcement.Logical formLearned from8 sentences. A vaccine may undergo an announcement.Logical formLearned from8 sentences. (Rating actions) may follow an announcement.Logical formLearned from8 sentences. An announcement may follow an attack.Logical formLearned from8 sentences. A retreat can be from an announcement.Logical formLearned from8 sentences. An announcement can be incorrect.Logical formLearned from8 sentences. Announcements can be from a person.Logical formLearned from8 sentences. Announcements may undergo a use.Logical formLearned from8 sentences.