_:b56657613	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56657612	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/f9ad5d5191468ef7d5bf1f304ba52139ac68b0ae/4> .
_:b56657612	<http://www.w3.org/ns/oa#hasSelector>	_:b56657613 .
_:b56657613	<http://www.w3.org/ns/oa#exact>	"positive" .