_:b57646600	<http://www.w3.org/ns/oa#hasSelector>	_:b57646601 .
_:b57646601	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57646601	<http://www.w3.org/ns/oa#exact>	"level" .
_:b57646600	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/144b7ff1474e0a37ed9135160e2da0027279d55e/4> .