(Union leaders) may pertain-to a US-city.Logical formLearned from23 sentences. Unions may represent employees.Logical formLearned from23 sentences. Part can be in a monetary union.Logical formLearned from23 sentences. A commissioner may pertain-to an union.Logical formLearned from23 sentences. Talks can be with unions.Logical formLearned from23 sentences. An union can be without a contract.Logical formLearned from23 sentences. Unions can be effective.Logical formLearned from23 sentences. A handful can be constituted-of-or-filled-with unions.Logical formLearned from23 sentences. An existence may pertain-to an union.Logical formLearned from23 sentences. (Union dues) may undergo a deduction.Logical formLearned from23 sentences. Interests may pertain-to an union.Logical formLearned from23 sentences. An union can be secret.Logical formLearned from23 sentences. Unions can be constituted-of-or-filled-with workers.Logical formLearned from23 sentences. (Union cards) can be signed.Logical formLearned from23 sentences. Contributions can be from unions.Logical formLearned from23 sentences.