_:b57990572	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/9a2a84d1675e889fd02aa4d795c8d36a95ec7854/3> .
_:b57990573	<http://www.w3.org/ns/oa#exact>	"activity" .
_:b57990573	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57990572	<http://www.w3.org/ns/oa#hasSelector>	_:b57990573 .