(Labor unions) may undergo a federation.Logical formLearned from78 sentences. Unions may be involved.Logical formLearned from78 sentences. An union may pertain-to players.Logical formLearned from78 sentences. An union can be under a male.Logical formLearned from78 sentences. An union can be blessed.Logical formLearned from78 sentences. An union can be fragile.Logical formLearned from78 sentences. Unions may undergo a confederation.Logical formLearned from77 sentences. A (presidential nominee) may scale_back speeches to unions.Logical formLearned from77 sentences. Negotiators can be for an union.Logical formLearned from77 sentences. Thousands can be constituted-of-or-filled-with (union workers).Logical formLearned from77 sentences. An agreement can be with an union.Logical formLearned from77 sentences. An union may think.Logical formLearned from77 sentences. An union can be lifelong.Logical formLearned from77 sentences. A (secretary general) may pertain-to an union.Logical formLearned from77 sentences. An (union federation) may pertain-to a country.Logical formLearned from77 sentences.