_:b56297977	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56297976	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6a93b85aa85ee70465258a6f403473d913aa4b5a/1> .
_:b56297976	<http://www.w3.org/ns/oa#hasSelector>	_:b56297977 .
_:b56297977	<http://www.w3.org/ns/oa#exact>	"face mask" .