_:b56606521 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b56606520 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/62122b2909a1741aad2f477628b92bb1f4f4eede/0> . _:b56606521 <http://www.w3.org/ns/oa#exact> "CF" . _:b56606520 <http://www.w3.org/ns/oa#hasSelector> _:b56606521 .