<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE rdf:RDF [
        <!ENTITY % xxe SYSTEM "external-file-nonexistent.txt" >
        %xxe;
        ]>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
         xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#">
    <rdf:Description rdf:about="http://example.org/foo/bar">
        <rdfs:label>Foo Bar</rdfs:label>
    </rdf:Description>
</rdf:RDF>