_:b57573689	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57573688	<http://www.w3.org/ns/oa#hasSelector>	_:b57573689 .
_:b57573689	<http://www.w3.org/ns/oa#exact>	"level" .
_:b57573688	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/7a3dc8d5af7e217f16c4f402342ba1644491bb9b/0> .