_:b57920420	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/86c3e62c6f5a736ed1dd7e5097e829641b8a4580/1> .
_:b57920421	<http://www.w3.org/ns/oa#exact>	"symptoms" .
_:b57920421	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57920420	<http://www.w3.org/ns/oa#hasSelector>	_:b57920421 .