_:b56172880	<http://www.w3.org/ns/oa#hasSelector>	_:b56172881 .
_:b56172881	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56172881	<http://www.w3.org/ns/oa#exact>	"training" .
_:b56172880	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/e74b1ca47c70a922c934811c06bebb0afaaccd7c/4> .