_:b57684428	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/4781928d6c3b0d839f5d43e1b56fb61654764d69/8> .
_:b57684428	<http://www.w3.org/ns/oa#hasSelector>	_:b57684429 .
_:b57684429	<http://www.w3.org/ns/oa#exact>	"surface" .
_:b57684429	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .