An union may pertain-to (steel workers).Logical formLearned from21 sentences. A (private-sector union) may pertain-to a country.Logical formLearned from21 sentences. An anniversary may pertain-to an union.Logical formLearned from21 sentences. A response can be from an union.Logical formLearned from21 sentences. Some countries may join an union.Logical formLearned from21 sentences. An union may undergo institutions.Logical formLearned from21 sentences. An (enlargement strategy) may pertain-to an union.Logical formLearned from21 sentences. An union can be with a name.Logical formLearned from21 sentences. A (manufacturing union) may pertain-to a country.Logical formLearned from21 sentences. An union may represent mechanics.Logical formLearned from21 sentences. (Retirement programs) may be achieved within a framework of (union contracts).Logical formLearned from21 sentences. (Union workers) can be at a plant.Logical formLearned from21 sentences. An union can be artificial.Logical formLearned from21 sentences. A (monetary union) may pertain-to an international-political-entity.Logical formLearned from21 sentences. Support can be for (labor unions).Logical formLearned from21 sentences.