_:b56621812	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/38148f8d1ea3eded1159e8a498a074e8ed98e5f4/0> .
_:b56621813	<http://www.w3.org/ns/oa#exact>	"pollutants" .
_:b56621813	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56621812	<http://www.w3.org/ns/oa#hasSelector>	_:b56621813 .