_:b56246401	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56246400	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d843c7173358c9cff118fbaf8f889677a08d6cfd/1> .
_:b56246400	<http://www.w3.org/ns/oa#hasSelector>	_:b56246401 .
_:b56246401	<http://www.w3.org/ns/oa#exact>	"mask" .