/ *: [namespace-uri()=' '] [ ] / @sch:schema @*[local-name()=' ' and namespace-uri()=' '] / [ ] /@ . U U U. n U. _ _ If there is a Para is labeled "top-secret" then the Document should be labeled top-secret If there is a Para is labeled "secret" then the Document should be labeled either secret or top-secret If there is a Para is labeled "confidential" then the Document should be labeled either confidential, secret or top-secret