_:b57421668	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/07d21c31ad4f63f607760d66db2b6124562f8838/1> .
_:b57421668	<http://www.w3.org/ns/oa#hasSelector>	_:b57421669 .
_:b57421669	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57421669	<http://www.w3.org/ns/oa#exact>	"expression" .