A summit can be in a world-city.Logical formLearned from9 399 sentences. An index may pertain-to a world-city.Logical formLearned from9 390 sentences. A summit can be in a world-city.Logical formLearned from9 140 sentences. Persons may pertain-to a world-city.Logical formLearned from9 094 sentences. A headquarters can be in a world-city.Logical formLearned from8 927 sentences. A region may pertain-to a world-city.Logical formLearned from8 921 sentences. Officials may pertain-to a world-city.Logical formLearned from8 902 sentences. A headquarters may pertain-to a world-city.Logical formLearned from8 895 sentences. A trip can be to a world-city.Logical formLearned from8 800 sentences. A male may move to a world-city.Logical formLearned from8 732 sentences. Talks may pertain-to a world-city.Logical formLearned from8 670 sentences. A trip can be to a world-city.Logical formLearned from8 531 sentences. A trading may pertain-to a world-city.Logical formLearned from8 441 sentences. A male may return to a world-city.Logical formLearned from8 152 sentences. Attacks may pertain-to a world-city.Logical formLearned from8 133 sentences.