_:b57741056	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/f4cbd8b9b009abfff61f2d178703899bfb2a9260/0> .
_:b57741057	<http://www.w3.org/ns/oa#exact>	"positive" .
_:b57741056	<http://www.w3.org/ns/oa#hasSelector>	_:b57741057 .
_:b57741057	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .