_:b57731421	<http://www.w3.org/ns/oa#exact>	"expression" .
_:b57731421	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57731420	<http://www.w3.org/ns/oa#hasSelector>	_:b57731421 .
_:b57731420	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/3889e5a21e19a7f964d4de55f41331aed539c38b/21> .