_:b56269852	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/e0db239e8cb3c9d6e09e3489324d4572d6831107/0> .
_:b56269853	<http://www.w3.org/ns/oa#exact>	"mask" .
_:b56269852	<http://www.w3.org/ns/oa#hasSelector>	_:b56269853 .
_:b56269853	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .