A collective-bargaining agreement can be with an union.Logical formLearned from42 sentences. (Union leaders) may argue.Logical formLearned from42 sentences. An union can be blue-collar.Logical formLearned from42 sentences. An union may undergo approval.Logical formLearned from42 sentences. A secretary-general may pertain-to an union.Logical formLearned from42 sentences. Unions may pertain-to employees.Logical formLearned from42 sentences. Leaders can be constituted-of-or-filled-with (labor unions).Logical formLearned from42 sentences. An union may have a right.Logical formLearned from41 sentences. A section may pertain-to an union.Logical formLearned from41 sentences. A series may pertain-to a (rugby union).Logical formLearned from41 sentences. Unions can be in a country.Logical formLearned from41 sentences. Affairs may pertain-to an union.Logical formLearned from41 sentences. Unions may claim that something-is-the-case.Logical formLearned from41 sentences. Unions may pertain-to a continent.Logical formLearned from41 sentences. A male can be members of union of a country.Logical formLearned from41 sentences.