_:b56484256	<http://www.w3.org/ns/oa#hasSelector>	_:b56484257 .
_:b56484257	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56484257	<http://www.w3.org/ns/oa#exact>	"positive test" .
_:b56484256	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8af52342f3c4ad17da4e365a4b4b5f6c167f0657/4> .