_:b57712436	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c1ae608c7ffb926a0f50a6a34c0780983274ea74/0> .
_:b57712437	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57712436	<http://www.w3.org/ns/oa#hasSelector>	_:b57712437 .
_:b57712437	<http://www.w3.org/ns/oa#exact>	"period" .