_:b57423012	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/9617a7a2d43662925f6c56d2e608f98a8801cd18/2> .
_:b57423012	<http://www.w3.org/ns/oa#hasSelector>	_:b57423013 .
_:b57423013	<http://www.w3.org/ns/oa#exact>	"markers" .
_:b57423013	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .