_:b57980456	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/2afcb25964dffecced16487185ae91e00c1e75ed/4> .
_:b57980457	<http://www.w3.org/ns/oa#exact>	"free" .
_:b57980457	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57980456	<http://www.w3.org/ns/oa#hasSelector>	_:b57980457 .