_:b56951712	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/51c863bc37f993b3da543b91458e3ed5abd9aba9/0> .
_:b56951712	<http://www.w3.org/ns/oa#hasSelector>	_:b56951713 .
_:b56951713	<http://www.w3.org/ns/oa#exact>	"changes" .
_:b56951713	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .