["['Category:Danube basin', 'Category:Irrawaddy River basin', 'Q7467231', 'Q7454405', 'Category:Mekong Basin']", "['Category:Brahmaputra River', 'Category:Danube', 'Category:Vorskla River', 'Category:Mekong River', 'Category:Irrawaddy River']", "['Wikipedia:Vital articles/Level/4', 'WikiProject Ukraine', 'Wikipedia:Vital articles/Level/4', 'Wikipedia:List of articles all languages should have', 'Wikipedia:Vital articles/Level/4']"]