@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rss: <http://purl.org/rss/1.0/> .

<http://example.org/block>
    rss:items [
        rdf:_1 <http://example.org/first-item> ;
        rdf:_2 <http://example.org/second-item> ;
        a rdf:Seq
    ] .