_:b57450488	<http://www.w3.org/ns/oa#hasSelector>	_:b57450489 .
_:b57450489	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57450488	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/03b459a3edd40cbc8e647159775772456caf2d01/1> .
_:b57450489	<http://www.w3.org/ns/oa#exact>	"expression" .