(Trade unions) may undergo a federation.Logical formLearned from129 sentences. An union may represent workers.Logical formLearned from129 sentences. Opposition can be from (labor unions).Logical formLearned from129 sentences. An union may pertain-to drivers.Logical formLearned from129 sentences. An union may represent pilots.Logical formLearned from128 sentences. Unions can be in a country.Logical formLearned from128 sentences. An union can be enlarged.Logical formLearned from128 sentences. A (trade union) can be powerful.Logical formLearned from128 sentences. A head may pertain-to a (labor union).Logical formLearned from127 sentences. An union may pertain-to mechanics.Logical formLearned from127 sentences. (Secretary general) may pertain-to an union.Logical formLearned from127 sentences. A country may join an union.Logical formLearned from126 sentences. An (executive committee) may pertain-to an union.Logical formLearned from126 sentences. A (rugby union player) may pertain-to a country.Logical formLearned from125 sentences. An union can be with a male.Logical formLearned from125 sentences.