<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.babyboom.pl/forum/dzieci-urodzone-w-lutym-2007-a-f112/co-jesc-a-czego-nie-gdy-karmi-sie-piersia-8138/>