_:b57216692	<http://www.w3.org/ns/oa#hasSelector>	_:b57216693 .
_:b57216693	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57216692	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/1a8f98e7530fc52e0db66e9e8d188a85c1ae1d7b/2> .
_:b57216693	<http://www.w3.org/ns/oa#exact>	"duration" .