_:b57103840	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/de95f39159534068d4a1aef3e5d6a884d1c39656/0> .
_:b57103840	<http://www.w3.org/ns/oa#hasSelector>	_:b57103841 .
_:b57103841	<http://www.w3.org/ns/oa#exact>	"surface" .
_:b57103841	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .