prefix : <http://example.org/>
prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>

:belief1 rdf:reifies <<( :alice :knows :bob )>> ;
         :since 2020 .
:belief2 rdf:reifies <<( :carol :states :belief1 )>> ;
        :at :dinner .
