_:b57070145	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57070145	<http://www.w3.org/ns/oa#exact>	"levels" .
_:b57070145	<http://www.w3.org/ns/oa#exact>	"level" .
_:b57070144	<http://www.w3.org/ns/oa#hasSelector>	_:b57070145 .
_:b57070144	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/0cae7a4ca7c3097fbc64b85e61756566fbbf2c98/3> .