_:b57980965	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57980964	<http://www.w3.org/ns/oa#hasSelector>	_:b57980965 .
_:b57980964	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/397bd9e60980178047918238f224680050373118/1> .
_:b57980965	<http://www.w3.org/ns/oa#exact>	"physical activity" .