_:b57840860	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/81a89da8c993a1bbf7e900c97862e669807c9469/0> .
_:b57840861	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57840860	<http://www.w3.org/ns/oa#hasSelector>	_:b57840861 .
_:b57840861	<http://www.w3.org/ns/oa#exact>	"average" .