_:b57933668	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/4a0df4a0f4d88046442f66ad84ba40b2c34e2493/6> .
_:b57933669	<http://www.w3.org/ns/oa#exact>	"migration" .
_:b57933668	<http://www.w3.org/ns/oa#hasSelector>	_:b57933669 .
_:b57933669	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .