_:b57048844	<http://www.w3.org/ns/oa#hasSelector>	_:b57048845 .
_:b57048845	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57048844	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8424309603c87c74ea5f3571c3ebc348cfcbb9e1/0> .
_:b57048845	<http://www.w3.org/ns/oa#exact>	"activity" .