(Maintenance payments) can be for children.Logical formLearned from31 sentences. Resources may undergo maintenance.Logical formLearned from31 sentences. Maintenance can be minimal.Logical formLearned from31 sentences. Some scheduled maintenance can be garaged.Logical formLearned from31 sentences. A (maintenance center) can be for 737s.Logical formLearned from31 sentences. A (maintenance base) may pertain-to a US-city.Logical formLearned from31 sentences. A language may undergo maintenance.Logical formLearned from31 sentences. Competition may undergo maintenance.Logical formLearned from31 sentences. A person may do maintenance.Logical formLearned from31 sentences. A security may undergo maintenance.Logical formLearned from31 sentences. Collections may undergo maintenance.Logical formLearned from31 sentences. Safety may undergo maintenance.Logical formLearned from31 sentences. Maintenance can be productive.Logical formLearned from31 sentences. Lifts may undergo maintenance.Logical formLearned from31 sentences. Actions may contribute to maintenance of a (monopoly power).Logical formLearned from31 sentences.