_:b56249716	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/bd970c92e320913cd3e04887916e764ab1231494/0> .
_:b56249717	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56249717	<http://www.w3.org/ns/oa#exact>	"volume control" .
_:b56249716	<http://www.w3.org/ns/oa#hasSelector>	_:b56249717 .