_:b57431761	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57431760	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/e365450800b8ba443821448827600480868e6295/0> .
_:b57431761	<http://www.w3.org/ns/oa#exact>	"cost" .
_:b57431760	<http://www.w3.org/ns/oa#hasSelector>	_:b57431761 .