_:b57734396	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/47171f29bd284855acc1d7d7b64afb0c2a3b84c7/1> .
_:b57734397	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57734397	<http://www.w3.org/ns/oa#exact>	"levels" .
_:b57734396	<http://www.w3.org/ns/oa#hasSelector>	_:b57734397 .