_:b56840112	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/39f4762231a3f1ef826f0ac195f5e47aeef39f3a/0> .
_:b56840113	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56840112	<http://www.w3.org/ns/oa#hasSelector>	_:b56840113 .
_:b56840113	<http://www.w3.org/ns/oa#exact>	"oxygen" .