_:b57133612	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/fb0a4194a4f3e016d6b91196a8febf7f1ad620c9/0> .
_:b57133613	<http://www.w3.org/ns/oa#exact>	"positive test" .
_:b57133612	<http://www.w3.org/ns/oa#hasSelector>	_:b57133613 .
_:b57133613	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .