Urban forests can be healthy.Logical formLearned from9 sentences. Students can be from urban schools.Logical formLearned from9 sentences. Urban areas may pertain-to a district.Logical formLearned from9 sentences. A reserve can be urban.Logical formLearned from9 sentences. An approach can be to urban planning.Logical formLearned from9 sentences. Urban area may comprise some (census towns).Logical formLearned from9 sentences. An urban area can be given.Logical formLearned from9 sentences. Pubs can be urban.Logical formLearned from9 sentences. (Guerrilla actions) can be urban.Logical formLearned from9 sentences. Urban areas can be in a region.Logical formLearned from9 sentences. Rapid-transit systems can be urban.Logical formLearned from9 sentences. Parklands can be urban.Logical formLearned from9 sentences. Tracks can be urban.Logical formLearned from9 sentences. Crafts can be urban.Logical formLearned from9 sentences. A (construction site) can be urban.Logical formLearned from9 sentences.