_:b56433904	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/339866d616f075e08cceb750344654d99dad6c70/0> .
_:b56433905	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56433905	<http://www.w3.org/ns/oa#exact>	"period" .
_:b56433904	<http://www.w3.org/ns/oa#hasSelector>	_:b56433905 .