_:b57528520	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/2407834245c872e91a78cdb9bd63ac8f81a49231/2> .
_:b57528520	<http://www.w3.org/ns/oa#hasSelector>	_:b57528521 .
_:b57528521	<http://www.w3.org/ns/oa#exact>	"expression" .
_:b57528521	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .