_:b57611468	<http://www.w3.org/ns/oa#hasSelector>	_:b57611469 .
_:b57611469	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57611469	<http://www.w3.org/ns/oa#exact>	"physical activity" .
_:b57611468	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/03056756922eb912ccd86c1bf359a91619d5e628/0> .