_:b57669108	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/bb6e60970b11a0ee766a444d55e06bf8b50711de/4> .
_:b57669108	<http://www.w3.org/ns/oa#hasSelector>	_:b57669109 .
_:b57669109	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57669109	<http://www.w3.org/ns/oa#exact>	"serious" .