_:b56780004	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5e5af96b5246a6cdc541d7a79060215cd4c205ba/0> .
_:b56780005	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56780004	<http://www.w3.org/ns/oa#hasSelector>	_:b56780005 .
_:b56780005	<http://www.w3.org/ns/oa#exact>	"positivity" .