<http://schema.org/query-input>
"required name=sts"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.europart.nl/wasmachine+onderdelen/bosch/zeepbak/advies+centrum/hoe+maak+ik+de+zeepbak+van+mijn+wasmachine+schoon?/>