Unions may pertain-to (government workers).Logical formLearned from13 sentences. An union may call for a walkout.Logical formLearned from13 sentences. Agreement can be on an union.Logical formLearned from13 sentences. A stoppage may be called by unions.Logical formLearned from13 sentences. An union may win an appeal.Logical formLearned from13 sentences. An (union resistance) can be fierce.Logical formLearned from13 sentences. A (trade union) may pertain-to a company.Logical formLearned from13 sentences. A (trade union) may represent workers.Logical formLearned from13 sentences. An union may pertain-to machinists.Logical formLearned from13 sentences. A counterweight can be to an union.Logical formLearned from13 sentences. A leader may pertain-to an (union federation).Logical formLearned from13 sentences. Unions may protest plans.Logical formLearned from13 sentences. A vice-president may pertain-to an union.Logical formLearned from13 sentences. A blow can be to an union.Logical formLearned from13 sentences. Unions may represent a (work force).Logical formLearned from13 sentences.