_:b56809068	<http://www.w3.org/ns/oa#hasSelector>	_:b56809069 .
_:b56809069	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56809068	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/3a7b98ca2d4cb4effc7d5b69c70ff8cb0c34f652/0> .
_:b56809069	<http://www.w3.org/ns/oa#exact>	"precursor B" .