Some percent may live in urban areas.Logical formLearned from18 sentences. Urban planning can be in a country.Logical formLearned from18 sentences. (Food producers) can be urban.Logical formLearned from18 sentences. A function can be urban.Logical formLearned from18 sentences. Areas can be constituted-of-or-filled-with urban development.Logical formLearned from18 sentences. Plumes can be urban.Logical formLearned from18 sentences. Populations can be in urban areas.Logical formLearned from18 sentences. A mass can be urban.Logical formLearned from18 sentences. An insecurity can be urban.Logical formLearned from18 sentences. Questions can be urban.Logical formLearned from18 sentences. Hazards can be urban.Logical formLearned from18 sentences. Learners can be urban.Logical formLearned from18 sentences. An environmental quality can be urban.Logical formLearned from18 sentences. Cent can be in urban areas.Logical formLearned from18 sentences. A catastrophe can be urban.Logical formLearned from18 sentences.