_:b57189449	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57189449	<http://www.w3.org/ns/oa#exact>	"occurrence" .
_:b57189448	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ea0708422bc00075218004425460298c0a1543c2/2> .
_:b57189448	<http://www.w3.org/ns/oa#hasSelector>	_:b57189449 .