_:b57503189	<http://www.w3.org/ns/oa#exact>	"levels" .
_:b57503189	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57503188	<http://www.w3.org/ns/oa#hasSelector>	_:b57503189 .
_:b57503188	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/51188c297830bd52794c77382451959cfa7997ec/3> .