_:b57439868	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b7906b192829a29d5f90cc9fa538ced5f2f91320/2> .
_:b57439868	<http://www.w3.org/ns/oa#hasSelector>	_:b57439869 .
_:b57439869	<http://www.w3.org/ns/oa#exact>	"exposure" .
_:b57439869	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .