_:b56413549	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56413548	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d26bebc0b48d9db87c2728dc194d0488f937b8a2/4> .
_:b56413548	<http://www.w3.org/ns/oa#hasSelector>	_:b56413549 .
_:b56413549	<http://www.w3.org/ns/oa#exact>	"activity" .