_:b56855176	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6f272071ba1d16200a998e407994e66be0f0d60d/1> .
_:b56855177	<http://www.w3.org/ns/oa#exact>	"length of stay" .
_:b56855176	<http://www.w3.org/ns/oa#hasSelector>	_:b56855177 .
_:b56855177	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .