_:b57833181	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57833180	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/1ecf7930fc9eca85bc703ea81f842846f845b38e/1> .
_:b57833180	<http://www.w3.org/ns/oa#hasSelector>	_:b57833181 .
_:b57833181	<http://www.w3.org/ns/oa#exact>	"level" .