_:b57271680	<http://www.w3.org/ns/oa#hasSelector>	_:b57271681 .
_:b57271681	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57271681	<http://www.w3.org/ns/oa#exact>	"reduction" .
_:b57271680	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c3b31d45e4d5c453a34d7c2f60b8ec05dea6014f/0> .