_:b57551440	<http://www.w3.org/ns/oa#hasSelector>	_:b57551441 .
_:b57551441	<http://www.w3.org/ns/oa#exact>	"grade III" .
_:b57551440	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/619f605031465ea7db8a5a6de5db4aa82d6dc401/2> .
_:b57551441	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .