_:b57567764	<http://www.w3.org/ns/oa#hasSelector>	_:b57567765 .
_:b57567765	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57567765	<http://www.w3.org/ns/oa#exact>	"changes" .
_:b57567764	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ac33ab37d9107586f52d849b1970ca84aed93e0d/4> .