<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wermuth.de/Waschmaschinen-Frontlader/4873055_Beko-WMB-61243-PTE-A-6-kg-1200-Touren-Pet-Hair-Removal.html>