_:b57497649	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57497648	<http://www.w3.org/ns/oa#hasSelector>	_:b57497649 .
_:b57497648	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/22ee9b617f0f09cc1ed1586be2cf8051257f5fa3/6> .
_:b57497649	<http://www.w3.org/ns/oa#exact>	"levels" .