_:b57222956	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/acfacf7b7324bce90612df27d5f43edeacd21041/108> .
_:b57222956	<http://www.w3.org/ns/oa#hasSelector>	_:b57222957 .
_:b57222957	<http://www.w3.org/ns/oa#exact>	"level" .
_:b57222957	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .