_:b57325305	<http://www.w3.org/ns/oa#exact>	"headache" .
_:b57325304	<http://www.w3.org/ns/oa#hasSelector>	_:b57325305 .
_:b57325304	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/98d82c208aa58df4d5beff4a09492d33479ce214/1> .
_:b57325305	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .