Problems can be constituted-of-or-filled-with maintenance.Logical formLearned from14 sentences. Responsibility can be for maintenance of security.Logical formLearned from14 sentences. Elevators may undergo maintenance.Logical formLearned from14 sentences. A (maintenance center) can be in a US-city.Logical formLearned from14 sentences. Some (power plants) may be closed for maintenance.Logical formLearned from14 sentences. A (maintenance crew) may pertain-to a US-city.Logical formLearned from14 sentences. Funds may reduce a level of maintenance.Logical formLearned from14 sentences. (Maintenance records) may undergo a falsification.Logical formLearned from14 sentences. An embargo may undergo maintenance.Logical formLearned from14 sentences. A shutdown can be for maintenance.Logical formLearned from14 sentences. Maintenance can be overdue.Logical formLearned from14 sentences. A capacity may undergo maintenance.Logical formLearned from14 sentences. Macroeconomic policies may undergo maintenance.Logical formLearned from13 sentences. (Metal construction) may undergo (maintenance hangars).Logical formLearned from13 sentences. Gardens may undergo maintenance.Logical formLearned from13 sentences.