_:b57151448	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/15ca0457de2d05a3796f024899edc9c55c86e4ba/2> .
_:b57151448	<http://www.w3.org/ns/oa#hasSelector>	_:b57151449 .
_:b57151449	<http://www.w3.org/ns/oa#exact>	"free" .
_:b57151449	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .