_:b57875960	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b6960070c31ff520a6e4771ea9eff55302b5680f/6> .
_:b57875961	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57875961	<http://www.w3.org/ns/oa#exact>	"activity" .
_:b57875960	<http://www.w3.org/ns/oa#hasSelector>	_:b57875961 .