Approval can be by an union.Logical formLearned from20 sentences. Talks can be with (union representative).Logical formLearned from20 sentences. An union can be unpopular.Logical formLearned from20 sentences. A male may return to union.Logical formLearned from20 sentences. A decision may pertain-to unions.Logical formLearned from20 sentences. (Labor unions) may call for a strike.Logical formLearned from20 sentences. An union may pertain-to mineworkers.Logical formLearned from20 sentences. An (union confederation) can be militant.Logical formLearned from20 sentences. An union may pertain-to some pilots.Logical formLearned from20 sentences. Dozens can be constituted-of-or-filled-with (union leaders).Logical formLearned from20 sentences. Unions may stage protests.Logical formLearned from20 sentences. An union can be autonomous.Logical formLearned from20 sentences. A monetary union can be successful.Logical formLearned from20 sentences. Independence can be from an union.Logical formLearned from19 sentences. An union may expand.Logical formLearned from19 sentences.