An excellence can be longstanding.Logical formLearned from6 sentences. Areas can be longstanding.Logical formLearned from6 sentences. (Government efforts) can be longstanding.Logical formLearned from6 sentences. An employee can be longstanding.Logical formLearned from6 sentences. A (security closure) can be longstanding.Logical formLearned from6 sentences. A mistress can be longstanding.Logical formLearned from6 sentences. A tie can be longstanding.Logical formLearned from6 sentences. A chief can be longstanding.Logical formLearned from6 sentences. (Trade ties) can be longstanding.Logical formLearned from6 sentences. Deductions can be longstanding.Logical formLearned from6 sentences. A surplus can be longstanding.Logical formLearned from6 sentences. An (ankle problem) can be longstanding.Logical formLearned from6 sentences. An (iron curtain) can be longstanding.Logical formLearned from6 sentences. A (peacekeeping mission) can be longstanding.Logical formLearned from6 sentences. An international treaty can be longstanding.Logical formLearned from6 sentences.