_:b57334956	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d5ad4166689e169c67c4dca08d54dba1ec9a30f6/1> .
_:b57334957	<http://www.w3.org/ns/oa#exact>	"levels" .
_:b57334956	<http://www.w3.org/ns/oa#hasSelector>	_:b57334957 .
_:b57334957	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .