_:b57069125	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57069124	<http://www.w3.org/ns/oa#hasSelector>	_:b57069125 .
_:b57069125	<http://www.w3.org/ns/oa#exact>	"duration" .
_:b57069124	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/9fa3ead39adfb6028f3586e0f4bf109c94357e20/1> .