A holiday can be for workers.Logical formLearned from38 sentences. Unions may represent workers.Logical formLearned from38 sentences. Some (aid workers) may be detained.Logical formLearned from38 sentences. Workers can be on duty.Logical formLearned from37 sentences. A contract can be for some workers.Logical formLearned from37 sentences. Workers can be persons.Logical formLearned from37 sentences. (Salaried workers) may pertain-to a country.Logical formLearned from37 sentences. A social worker can be in a world-city.Logical formLearned from37 sentences. Workers can be provincial.Logical formLearned from37 sentences. A worker may retire.Logical formLearned from37 sentences. Workers may be trained.Logical formLearned from37 sentences. Workers may spend hours.Logical formLearned from37 sentences. Workers can be at a site.Logical formLearned from37 sentences. Workers may undergo an education.Logical formLearned from37 sentences. A death may pertain-to a worker.Logical formLearned from37 sentences.