?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> <_:52a15a90696bfb446b1e8f2da12e0200>
S · O da1b5b4a59f811ff02d11de59616043d
S · O rdf:first
S · O 52a15a90696bfb446b1e8f2da12e0200