_:b57813233	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57813232	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/976496c92ea74a516df11ebb445433f724e7f522/0> .
_:b57813233	<http://www.w3.org/ns/oa#exact>	"U" .
_:b57813232	<http://www.w3.org/ns/oa#hasSelector>	_:b57813233 .