_:b57334172	<http://www.w3.org/ns/oa#hasSelector>	_:b57334173 .
_:b57334173	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57334172	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/77895d7409a654a9910ac720e79de6f7888f610e/2> .
_:b57334173	<http://www.w3.org/ns/oa#exact>	"knowledge" .