_:b57697581	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57697580	<http://www.w3.org/ns/oa#hasSelector>	_:b57697581 .
_:b57697580	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/92fca8573cfef7235acba06143c97dbf8ad6f034/0> .
_:b57697581	<http://www.w3.org/ns/oa#exact>	"level" .