_:b57147073	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57147073	<http://www.w3.org/ns/oa#exact>	"activity" .
_:b57147072	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/08f62fb3d767dc6d27afcc1ae6054e05ec27b329/4> .
_:b57147072	<http://www.w3.org/ns/oa#hasSelector>	_:b57147073 .