_:b57198852	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d4fe683366f2ae526f63f4cb999e06e2c56ccf3b/1> .
_:b57198853	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57198853	<http://www.w3.org/ns/oa#exact>	"oxygen" .
_:b57198852	<http://www.w3.org/ns/oa#hasSelector>	_:b57198853 .