_:b57131948	<http://www.w3.org/ns/oa#hasSelector>	_:b57131949 .
_:b57131949	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57131949	<http://www.w3.org/ns/oa#exact>	"Grade 3" .
_:b57131948	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5eb91fe4cea5a06b48b39b8ac338ae42b12cc336/12> .