_:b57851697	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57851696	<http://www.w3.org/ns/oa#hasSelector>	_:b57851697 .
_:b57851697	<http://www.w3.org/ns/oa#exact>	"level" .
_:b57851696	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8b0692d658956ecd8a6270a97e40fefff049db1e/5> .