_:b56494544	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/a808f0fce35af7f197bb56230e61c6ca0a255f87/1> .
_:b56494544	<http://www.w3.org/ns/oa#hasSelector>	_:b56494545 .
_:b56494545	<http://www.w3.org/ns/oa#exact>	"positivity" .
_:b56494545	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .