_:b56417197	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56417196	<http://www.w3.org/ns/oa#hasSelector>	_:b56417197 .
_:b56417197	<http://www.w3.org/ns/oa#exact>	"levels" .
_:b56417196	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/dcad8eb3f2d19039bf0795cfd75ee1bb0f8f71d7/1> .