_:b57594912	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5cef38fb77d99e95a26278ee4d8e2d1d6d5c5719/2> .
_:b57594913	<http://www.w3.org/ns/oa#exact>	"activity" .
_:b57594913	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57594912	<http://www.w3.org/ns/oa#hasSelector>	_:b57594913 .