_:b56234961	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56234961	<http://www.w3.org/ns/oa#exact>	"mask" .
_:b56234960	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/40f3a8a0def4d2c2e3d08aa47c6217a382808423/0> .
_:b56234960	<http://www.w3.org/ns/oa#hasSelector>	_:b56234961 .