_:b57544577 <http://www.w3.org/ns/oa#exact> "head pressing" . _:b57544576 <http://www.w3.org/ns/oa#hasSelector> _:b57544577 . _:b57544576 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/64b8f05c4a66105675f3c1a0250c824b73870e13/1> . _:b57544577 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> .