_:b57521028	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/281fd5c29156a80cab2f647142f635712680a58d/4> .
_:b57521028	<http://www.w3.org/ns/oa#hasSelector>	_:b57521029 .
_:b57521029	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57521029	<http://www.w3.org/ns/oa#exact>	"expression" .