_:b57677128	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8ae2ff9ddd13d15acdb93179fe777c116a7fd09f/21> .
_:b57677128	<http://www.w3.org/ns/oa#hasSelector>	_:b57677129 .
_:b57677129	<http://www.w3.org/ns/oa#exact>	"expression" .
_:b57677129	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .