_:b57663785	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57663784	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d923fe3e77a5c19b8543779d3e10ab10fa51e882/1> .
_:b57663784	<http://www.w3.org/ns/oa#hasSelector>	_:b57663785 .
_:b57663785	<http://www.w3.org/ns/oa#exact>	"length" .