_:b57714669	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57714668	<http://www.w3.org/ns/oa#hasSelector>	_:b57714669 .
_:b57714669	<http://www.w3.org/ns/oa#exact>	"activity" .
_:b57714668	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d8b182c5528c93100f975d2d01bec9b1824e5d75/1> .