_:b57116020	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/9d089e7e76ca5c8e8225d18ee8712f3c8a623478/1> .
_:b57116020	<http://www.w3.org/ns/oa#hasSelector>	_:b57116021 .
_:b57116021	<http://www.w3.org/ns/oa#exact>	"markers" .
_:b57116021	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .