_:b57446373	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57446373	<http://www.w3.org/ns/oa#exact>	"level" .
_:b57446372	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/404f219ad630336f512bb52d5e6b357adf10e130/2> .
_:b57446372	<http://www.w3.org/ns/oa#hasSelector>	_:b57446373 .