_:b56217092	<http://www.w3.org/ns/oa#hasSelector>	_:b56217093 .
_:b56217093	<http://www.w3.org/ns/oa#exact>	"placebo" .
_:b56217092	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/9923f37ebb5fbeffc4b9b1d881f79c27a0765cb3/1> .
_:b56217093	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .