_:b56710021	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56710020	<http://www.w3.org/ns/oa#hasSelector>	_:b56710021 .
_:b56710021	<http://www.w3.org/ns/oa#exact>	"duration" .
_:b56710020	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/e5de1a124a5b9d48323a36f471498f7614402f4d/0> .