A (g-20 summit) may pertain-to a world-city.Logical formLearned from27 sentences. A president may host a summit.Logical formLearned from27 sentences. A world-city may hold a summit.Logical formLearned from27 sentences. A summit may undergo a cancelation.Logical formLearned from27 sentences. A summit can be grand.Logical formLearned from27 sentences. An (enlargement summit) may pertain-to an international-political-entity.Logical formLearned from27 sentences. A subject may pertain-to a summit.Logical formLearned from27 sentences. A follow-up can be to a summit.Logical formLearned from27 sentences. A summit can be with a president.Logical formLearned from27 sentences. Results may pertain-to a summit.Logical formLearned from27 sentences. An islamic summit can be in a world-city.Logical formLearned from27 sentences. A summit can be subdued.Logical formLearned from27 sentences. A person may come to a summit.Logical formLearned from27 sentences. A country may host some summits.Logical formLearned from27 sentences. A (g8 summit) may pertain-to a male.Logical formLearned from27 sentences.