An airport may pertain-to a world-city.Logical formLearned from48 812 sentences. A male can be in a world-city.Logical formLearned from48 527 sentences. Dollars may pertain-to a world-city.Logical formLearned from44 340 sentences. Stocks may pertain-to a world-city.Logical formLearned from41 008 sentences. A government may pertain-to a world-city.Logical formLearned from37 135 sentences. A dollar may pertain-to a world-city.Logical formLearned from30 241 sentences. A court may pertain-to a world-city.Logical formLearned from21 133 sentences. A female can be in a world-city.Logical formLearned from20 227 sentences. An area may pertain-to a world-city.Logical formLearned from20 005 sentences. A person can be in a world-city.Logical formLearned from19 826 sentences. A world-city may close.Logical formLearned from18 561 sentences. A visit can be to a world-city.Logical formLearned from18 485 sentences. A suburb may pertain-to a world-city.Logical formLearned from18 188 sentences. An office may pertain-to a world-city.Logical formLearned from17 416 sentences. A meeting can be in a world-city.Logical formLearned from17 386 sentences.