_:b56640312	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/60248702afae90dab85844fc874777b8a8f7fd8f/1> .
_:b56640312	<http://www.w3.org/ns/oa#hasSelector>	_:b56640313 .
_:b56640313	<http://www.w3.org/ns/oa#exact>	"positive" .
_:b56640313	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .