A (shock announcement) may pertain-to a world-city.Logical formLearned from15 sentences. Shares may dip after an announcement.Logical formLearned from15 sentences. A US-president may say at an announcement.Logical formLearned from15 sentences. An announcement can be in a national-agency.Logical formLearned from15 sentences. An announcement can be by authorities.Logical formLearned from15 sentences. An announcement may raise (supply worries).Logical formLearned from15 sentences. An announcement can be a fruit of some months of negotiations.Logical formLearned from15 sentences. A response can be to an announcement.Logical formLearned from15 sentences. An announcement may come after some days of negotiations.Logical formLearned from15 sentences. An announcement may be expected within some weeks.Logical formLearned from15 sentences. Announcements can be by authorities.Logical formLearned from15 sentences. An announcement may follow a meeting.Logical formLearned from15 sentences. An announcement may follow a ruling.Logical formLearned from15 sentences. An announcement may pertain-to a (finance ministry).Logical formLearned from15 sentences. An announcement may be delivered.Logical formLearned from15 sentences.