?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#first> <_:16c55b2aa7cb1cb6deb3011fe8c0b8f6>
S · O 77b8ae43d511fc1b9e039aac8768dc7c
S · O rdf:first
S · O 16c55b2aa7cb1cb6deb3011fe8c0b8f6