_:b56857468	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b0beb726db8669c8758ccd3496c81ae96e214b1e/0> .
_:b56857469	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56857469	<http://www.w3.org/ns/oa#exact>	"activity" .
_:b56857468	<http://www.w3.org/ns/oa#hasSelector>	_:b56857469 .