_:b57523720	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/bf429f2d8ddaf58fb166d275fab628227deaf176/1> .
_:b57523721	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57523720	<http://www.w3.org/ns/oa#hasSelector>	_:b57523721 .
_:b57523721	<http://www.w3.org/ns/oa#exact>	"level" .