An (union catalogue) can be physical.Logical formLearned from11 sentences. Workers can be members of unions.Logical formLearned from11 sentences. Human senses can be barriers to an union.Logical formLearned from11 sentences. An union may be represented.Logical formLearned from11 sentences. A necessity may pertain-to an union.Logical formLearned from11 sentences. An union may represent some faculty.Logical formLearned from11 sentences. Participation may pertain-to an union.Logical formLearned from11 sentences. A way may pertain-to an union.Logical formLearned from11 sentences. A director may pertain-to a (credit union).Logical formLearned from11 sentences. An union can be impossible.Logical formLearned from11 sentences. A (rugby union team) may tour a country.Logical formLearned from11 sentences. Barriers can be to an union.Logical formLearned from11 sentences. Relationships can be with unions.Logical formLearned from11 sentences. An (union catalogue) can be online.Logical formLearned from11 sentences. Unions can be institutions.Logical formLearned from11 sentences.