_:b57318537	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57318536	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c4b221cf62a390d8496370cd9b702cba76c3bd17/2> .
_:b57318536	<http://www.w3.org/ns/oa#hasSelector>	_:b57318537 .
_:b57318537	<http://www.w3.org/ns/oa#exact>	"CK" .