_:b56911980	<http://www.w3.org/ns/oa#hasSelector>	_:b56911981 .
_:b56911981	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56911981	<http://www.w3.org/ns/oa#exact>	"change" .
_:b56911980	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/215b258f1211caae913485b3061db39209cfb433/1> .