Leaders may pertain-to a summit.Logical formLearned from28 sentences. A summit may proceed.Logical formLearned from28 sentences. A reference can be to a summit.Logical formLearned from28 sentences. A world-city may attend a summit.Logical formLearned from28 sentences. A start may pertain-to a summit.Logical formLearned from28 sentences. A summit may conclude.Logical formLearned from28 sentences. A summit may be marred by a death.Logical formLearned from28 sentences. A focal point may pertain-to a summit.Logical formLearned from28 sentences. A final statement can be after a summit.Logical formLearned from28 sentences. A summit can be between a political-leader.Logical formLearned from28 sentences. Summits can be rounded.Logical formLearned from28 sentences. A (50th anniversary summit) may pertain-to an international-political-entity.Logical formLearned from28 sentences. Remarks can be at a summit.Logical formLearned from28 sentences. A summit can be in a city of a US-city.Logical formLearned from28 sentences. A summit may pertain-to peacemakers.Logical formLearned from28 sentences.