_:b56409576	<http://www.w3.org/ns/oa#hasSelector>	_:b56409577 .
_:b56409577	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56409577	<http://www.w3.org/ns/oa#exact>	"OS" .
_:b56409576	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/3e768aaea958fcd6f1453fc0ac7ad6e4a982adad/2> .