_:b56997908	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b9f2de5ae8b483297b9d111b91bdf3b27a0c677c/3> .
_:b56997909	<http://www.w3.org/ns/oa#exact>	"C4 levels" .
_:b56997908	<http://www.w3.org/ns/oa#hasSelector>	_:b56997909 .
_:b56997909	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .