(Labor unions) can be organized.Logical formLearned from40 sentences. (Trade union rights) may undergo violations.Logical formLearned from40 sentences. An union can be constituted-of-or-filled-with workers.Logical formLearned from40 sentences. A person can be (union members).Logical formLearned from40 sentences. A us-state may enter an union.Logical formLearned from40 sentences. Deals can be with an union.Logical formLearned from40 sentences. A backlash can be from (labor unions).Logical formLearned from40 sentences. Unions can be affected.Logical formLearned from40 sentences. An union may pertain-to an airline.Logical formLearned from40 sentences. An union may pertain-to referees.Logical formLearned from40 sentences. Public-sector unions can be powerful.Logical formLearned from40 sentences. Opposition can be from an union.Logical formLearned from40 sentences. Negotiations can be with some unions.Logical formLearned from40 sentences. A right may pertain-to an union.Logical formLearned from40 sentences. Some unions may represent pilots.Logical formLearned from40 sentences.