A fight can be with an union.Logical formLearned from11 sentences. An ire may pertain-to an union.Logical formLearned from11 sentences. An union may begin negotiations.Logical formLearned from11 sentences. An union can be in (contract negotiations).Logical formLearned from11 sentences. A collective-bargaining agreement can be between an union.Logical formLearned from11 sentences. An union may intervene.Logical formLearned from11 sentences. A contract can be with unions.Logical formLearned from11 sentences. An (union retiree trust) may own some percent.Logical formLearned from11 sentences. Talks may pertain-to an union.Logical formLearned from11 sentences. An union may file a request.Logical formLearned from11 sentences. An union may agree to a (contract extension).Logical formLearned from11 sentences. An union may pertain-to ironworkers.Logical formLearned from11 sentences. An union may do a job.Logical formLearned from11 sentences. A share may pertain-to an union.Logical formLearned from11 sentences. Unions may negotiate contracts.Logical formLearned from11 sentences.