_:b57972568	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5c09c5943c493e103f9fb92d0b6edb17f78dab5e/2> .
_:b57972568	<http://www.w3.org/ns/oa#hasSelector>	_:b57972569 .
_:b57972569	<http://www.w3.org/ns/oa#exact>	"serious" .
_:b57972569	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .