(Census tracts) can be urban.Logical formLearned from5 sentences. Urban agriculture may undergo a promotion.Logical formLearned from5 sentences. Urban agriculture can be an activity.Logical formLearned from5 sentences. A form can be constituted-of-or-filled-with urban agriculture.Logical formLearned from5 sentences. Sustainable development can be in urban areas.Logical formLearned from5 sentences. Organic farms can be urban.Logical formLearned from5 sentences. Agricultural systems can be urban.Logical formLearned from5 sentences. Urban agriculture may undergo a definition.Logical formLearned from5 sentences. A (food demand) can be urban.Logical formLearned from5 sentences. A role can be in urban development.Logical formLearned from5 sentences. Treatments can be urban.Logical formLearned from5 sentences. A state may pertain-to an urban environment.Logical formLearned from5 sentences. A source can be urban.Logical formLearned from5 sentences. (Land use practices) can be urban.Logical formLearned from5 sentences. Losers can be urban.Logical formLearned from5 sentences.