_:b57915273	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57915272	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/99b26ec52b0fa51de665f2897a4273ffe6eccabd/0> .
_:b57915272	<http://www.w3.org/ns/oa#hasSelector>	_:b57915273 .
_:b57915273	<http://www.w3.org/ns/oa#exact>	"UNK" .