"brand"=>"PostNL","check_date:existence"=>"2021-04","operator"=>"PostNL"
"colour"=>"orange","operator"=>"PostNL","operator:wikidata"=>"Q5921598","operator:wikipedia"=>"nl:PostNL"
"operator"=>"PostNL","operator:wikidata"=>"Q5921598","operator:wikipedia"=>"nl:PostNL"