Unions may undergo involvement.Logical formLearned from15 sentences. Calls can be by unions.Logical formLearned from15 sentences. A timetable can be for economic union.Logical formLearned from15 sentences. Unions can be democratic.Logical formLearned from15 sentences. A region may pertain-to an union.Logical formLearned from15 sentences. A (rugby union) can be in a country.Logical formLearned from15 sentences. An union may undergo a continuation.Logical formLearned from15 sentences. Unions may pertain-to (oil workers).Logical formLearned from15 sentences. An (union agreement) can be monetary.Logical formLearned from14 sentences. Unions may pertain-to employers.Logical formLearned from14 sentences. Determination may pertain-to an union.Logical formLearned from14 sentences. Associates may request a formation of an union.Logical formLearned from14 sentences. A summit may pertain-to an union.Logical formLearned from14 sentences. An union may undergo an operation.Logical formLearned from14 sentences. Sides may pertain-to an union.Logical formLearned from14 sentences.