An urban center can be cosmopolitan.Logical formLearned from7 sentences. (Internet users) can be urban.Logical formLearned from7 sentences. (Rail transit facilities) can be urban.Logical formLearned from7 sentences. Children may live in urban environments.Logical formLearned from7 sentences. Rivers can be in urban areas.Logical formLearned from7 sentences. Facilities can be at an urban community.Logical formLearned from7 sentences. (Sewage disposal plants) can be urban.Logical formLearned from7 sentences. A (consumer price index) can be for urban areas.Logical formLearned from7 sentences. Urban areas can be metropolitan.Logical formLearned from7 sentences. A figure can be in urban areas.Logical formLearned from7 sentences. Vagrants can be in urban areas.Logical formLearned from7 sentences. (Work units) can be urban.Logical formLearned from7 sentences. (Voting stations) can be urban.Logical formLearned from7 sentences. Residence can be in urban areas.Logical formLearned from7 sentences. Persons may migrate to urban areas.Logical formLearned from7 sentences.