_:b57637212	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/efec63d7ec82c600c98bb482acd61d152f88596d/0> .
_:b57637212	<http://www.w3.org/ns/oa#hasSelector>	_:b57637213 .
_:b57637213	<http://www.w3.org/ns/oa#exact>	"expression" .
_:b57637213	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .