Calls can be from an union.Logical formLearned from22 sentences. Unions may react.Logical formLearned from22 sentences. Unions can be furious.Logical formLearned from22 sentences. A role can be in an union.Logical formLearned from22 sentences. Unions may pertain-to drivers.Logical formLearned from22 sentences. (Labor unions) can be dutch.Logical formLearned from22 sentences. A strike can be by some (union workers).Logical formLearned from22 sentences. An union may approve a contract.Logical formLearned from22 sentences. Unions may pertain-to firefighters.Logical formLearned from22 sentences. Criteria may pertain-to an union.Logical formLearned from22 sentences. An union can be faithful.Logical formLearned from22 sentences. Prices may rise after joining an union.Logical formLearned from22 sentences. Some unions may take part.Logical formLearned from22 sentences. An official can be in an union.Logical formLearned from22 sentences. An union may represent pilots.Logical formLearned from22 sentences.