_:b57909969	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57909968	<http://www.w3.org/ns/oa#hasSelector>	_:b57909969 .
_:b57909968	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/79aca6ecc85195d85ab35ca9b11cdcca4a769545/0> .
_:b57909969	<http://www.w3.org/ns/oa#exact>	"OS" .