_:b57933824	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6f37bb9fc327ebae2a9b98e0efd958ef35318a9e/2> .
_:b57933824	<http://www.w3.org/ns/oa#hasSelector>	_:b57933825 .
_:b57933825	<http://www.w3.org/ns/oa#exact>	"oxygen" .
_:b57933825	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .