_:b57031421	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57031421	<http://www.w3.org/ns/oa#exact>	"AST" .
_:b57031420	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/bb61dcfd20c7d56e90a52779d3f51a1f68c46362/0> .
_:b57031420	<http://www.w3.org/ns/oa#hasSelector>	_:b57031421 .