_:vb86444	<http://www.w3.org/2006/http#elementName>	"Mon, 11 Nov 2019 21:16:31 GMT" .
_:vb86443	<http://www.w3.org/2006/http#fieldName>	<http://www.w3.org/2006/http-header#if-modified-since> .
_:vb86443	<http://www.w3.org/2006/http#fieldValue>	_:vb86444 .
_:vb86443	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#MessageHeader> .
_:vb86444	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#HeaderElement> .