_:b56521129	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56521128	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/57562c66a59f923ca2f601daa637d1b1f9b3b3be/2> .
_:b56521129	<http://www.w3.org/ns/oa#exact>	"positive" .
_:b56521128	<http://www.w3.org/ns/oa#hasSelector>	_:b56521129 .