_:b56422337	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56422336	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ac6be8942e2892a21d0c2a45524f83a7f5186f08/2> .
_:b56422337	<http://www.w3.org/ns/oa#exact>	"oxygen" .
_:b56422336	<http://www.w3.org/ns/oa#hasSelector>	_:b56422337 .