_:b57485684	<http://www.w3.org/ns/oa#hasSelector>	_:b57485685 .
_:b57485685	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57485685	<http://www.w3.org/ns/oa#exact>	"level" .
_:b57485684	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d054ee511926e46e8dee18c1c41a486b5a5bda44/3> .