_:b57491136	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/21472b4330e32d3941eecf8187d80a8b0d19fcd6/0> .
_:b57491136	<http://www.w3.org/ns/oa#hasSelector>	_:b57491137 .
_:b57491137	<http://www.w3.org/ns/oa#exact>	"expression" .
_:b57491137	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .