?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> <_:df1207e81f367b7fe90851bfa5bf64e1>
S · O 4a28e94bae2f5b8859aa3287fbac2739
S · O rdf:first
S · O df1207e81f367b7fe90851bfa5bf64e1