_:b56507980	<http://www.w3.org/ns/oa#hasSelector>	_:b56507981 .
_:b56507981	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56507981	<http://www.w3.org/ns/oa#exact>	"activity" .
_:b56507980	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/12439ee624230668be6ed4d78fc867d960d5f107/3> .