?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> <_:1f753f5cd68e638273dc3850fb7ff0aa>
S · O 16c77f649797e05f502c4e41eaffcae1
S · O rdf:first
S · O 1f753f5cd68e638273dc3850fb7ff0aa