Unions may operate.Logical formLearned from16 sentences. (Union leaders) may undergo an arrest.Logical formLearned from16 sentences. A speech can be to an (union federation).Logical formLearned from16 sentences. An union may organize a protest.Logical formLearned from16 sentences. Industrial unions may reject a (contract proposal).Logical formLearned from16 sentences. Heads may pertain-to an union.Logical formLearned from16 sentences. Unions may undergo a formation.Logical formLearned from16 sentences. (Rugby union) may go professional.Logical formLearned from16 sentences. An (union head) may pertain-to umpires.Logical formLearned from16 sentences. A federal union can be with central government.Logical formLearned from16 sentences. A (credit union) may undergo operations.Logical formLearned from16 sentences. An (union office) may pertain-to a male.Logical formLearned from16 sentences. (Labor union allies) may pertain-to a party.Logical formLearned from16 sentences. A building may pertain-to an union.Logical formLearned from16 sentences. Unions may launch a strike on a month.Logical formLearned from16 sentences.