_:b57501761	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57501761	<http://www.w3.org/ns/oa#exact>	"activity" .
_:b57501760	<http://www.w3.org/ns/oa#hasSelector>	_:b57501761 .
_:b57501760	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/37dc8003e75c33ca7baa9f5ef979591f580566b5/3> .