_:b56857109	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56857108	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c502a1219e2e9469fa0a85dc2ad022021b9dd770/0> .
_:b56857109	<http://www.w3.org/ns/oa#exact>	"children" .
_:b56857108	<http://www.w3.org/ns/oa#hasSelector>	_:b56857109 .