_:b56607380	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/cf424b8d9c4e6a50222263173dafdd14af5ec140/0> .
_:b56607381	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56607380	<http://www.w3.org/ns/oa#hasSelector>	_:b56607381 .
_:b56607381	<http://www.w3.org/ns/oa#exact>	"positivity" .