?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> <_:7c3d02ae2fc114f9f974ff015dd8b401>
S · O b9ceca1b7575bb22bfcf4a7e810dcea3
S · O rdf:first
S · O 7c3d02ae2fc114f9f974ff015dd8b401