_:b56204889	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56204888	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8a9aa5bced44c346c76af67d683cd13fde9dc612/1> .
_:b56204888	<http://www.w3.org/ns/oa#hasSelector>	_:b56204889 .
_:b56204889	<http://www.w3.org/ns/oa#exact>	"face mask" .