_:b56550793	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56550792	<http://www.w3.org/ns/oa#hasSelector>	_:b56550793 .
_:b56550792	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b8660d5f12c9a6a85b73207bc61291535c2700ce/0> .
_:b56550793	<http://www.w3.org/ns/oa#exact>	"differentiation" .