_:vb86687	<http://www.w3.org/2006/http#fieldValue>	_:vb86688 .
_:vb86687	<http://www.w3.org/2006/http#fieldName>	<http://www.w3.org/2006/http-header#if-modified-since> .
_:vb86687	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#MessageHeader> .
_:vb86688	<http://www.w3.org/2006/http#elementName>	"Mon, 11 Nov 2019 21:21:25 GMT" .
_:vb86688	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#HeaderElement> .