_:b57469205 <http://www.w3.org/ns/oa#exact> "expression" . _:b57469204 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/0e10bd6e8479cc0809b6b38cc8961b160749246c/0> . _:b57469205 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57469204 <http://www.w3.org/ns/oa#hasSelector> _:b57469205 .