_:b56220400	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b038d6e7a5b83503beed67bb588748319e50efa6/1> .
_:b56220401	<http://www.w3.org/ns/oa#exact>	"exercise" .
_:b56220401	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56220400	<http://www.w3.org/ns/oa#hasSelector>	_:b56220401 .