An union may want guarantees.Logical formLearned from19 sentences. Unions may represent some percent of workers.Logical formLearned from19 sentences. An union may express concern.Logical formLearned from19 sentences. An union may announce a strike.Logical formLearned from19 sentences. A helm may pertain-to an union.Logical formLearned from19 sentences. A person can be president of an union.Logical formLearned from19 sentences. Thousands can be constituted-of-or-filled-with (union activists).Logical formLearned from19 sentences. An union may back.Logical formLearned from19 sentences. Authority may pertain-to an union.Logical formLearned from19 sentences. An union may pertain-to doctors.Logical formLearned from19 sentences. An union may set a deadline.Logical formLearned from19 sentences. An executive may pertain-to an union.Logical formLearned from19 sentences. An union may be based.Logical formLearned from19 sentences. An union can be between a male.Logical formLearned from19 sentences. A reputation may pertain-to an union.Logical formLearned from19 sentences.