_:b57997708	<http://www.w3.org/ns/oa#hasSelector>	_:b57997709 .
_:b57997709	<http://www.w3.org/ns/oa#exact>	"activities" .
_:b57997709	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57997708	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8bf449477aff84ef0591f10731a654610a5126b7/1> .