A series may pertain-to an union.Logical formLearned from69 sentences. Unions may fear that something-is-the-case.Logical formLearned from69 sentences. An union may pertain-to pilots.Logical formLearned from69 sentences. A chairman may pertain-to an union.Logical formLearned from69 sentences. A (secretary general) may pertain-to an union.Logical formLearned from69 sentences. An union can be merged.Logical formLearned from68 sentences. An union may be given.Logical formLearned from68 sentences. A deal can be with unions.Logical formLearned from68 sentences. Negotiators may pertain-to an union.Logical formLearned from68 sentences. Unions may call.Logical formLearned from68 sentences. An union may undergo an enlargement.Logical formLearned from67 sentences. (Labor unions) can be strong.Logical formLearned from67 sentences. An union may pertain-to dreams.Logical formLearned from67 sentences. An union may issue a statement.Logical formLearned from67 sentences. Unions may represent workers.Logical formLearned from67 sentences.