A (crunch summit) can be in a world-city.Logical formLearned from25 sentences. A summit can be for leaders.Logical formLearned from25 sentences. A (security summit) may pertain-to a continent.Logical formLearned from25 sentences. A (news conference) can be at a summit.Logical formLearned from25 sentences. A message can be to a summit.Logical formLearned from25 sentences. (Summit talks) can be formal.Logical formLearned from25 sentences. Leaders of a country may hold a summit.Logical formLearned from25 sentences. An (arab summit) may pertain-to a month.Logical formLearned from25 sentences. Leaders can be at a summit.Logical formLearned from25 sentences. Some leaders may meet at a summit.Logical formLearned from25 sentences. A US-president may call a summit.Logical formLearned from25 sentences. A priority can be at a summit.Logical formLearned from25 sentences. An aim may pertain-to a summit.Logical formLearned from25 sentences. Support can be for a summit.Logical formLearned from25 sentences. Arrangements can be for a summit.Logical formLearned from25 sentences.