_:b56730721	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56730720	<http://www.w3.org/ns/oa#hasSelector>	_:b56730721 .
_:b56730720	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c1ac8c7ed9023bcd28bb01e1e51a7c431d20e8d8/3> .
_:b56730721	<http://www.w3.org/ns/oa#exact>	"OS" .