A base may undergo a shutdown.Logical formLearned from14 sentences. Ties can be to a base.Logical formLearned from14 sentences. An economic base may undergo a diversification.Logical formLearned from14 sentences. A (manufacturing base) may pertain-to a US-city.Logical formLearned from14 sentences. A base can be attached.Logical formLearned from14 sentences. An airfield may pertain-to a base.Logical formLearned from14 sentences. A (base period) may pertain-to a person.Logical formLearned from14 sentences. A base may pertain-to civil institutions.Logical formLearned from14 sentences. Bases can be theological.Logical formLearned from14 sentences. Bases can be for belief.Logical formLearned from14 sentences. A base may pertain-to a society.Logical formLearned from14 sentences. A base can be for production.Logical formLearned from14 sentences. A (subscriber base) can be loyal.Logical formLearned from14 sentences. A base can be substantive.Logical formLearned from14 sentences. A base may be needed.Logical formLearned from14 sentences.