_:b57919436	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/a059f73b05b6596bb14631d19a3511b7aef47e7d/2> .
_:b57919437	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57919437	<http://www.w3.org/ns/oa#exact>	"levels" .
_:b57919436	<http://www.w3.org/ns/oa#hasSelector>	_:b57919437 .