Assertion: mucous membrane | /r/CapableOf | feature john constantine
Facets:
value: as its lead singer
type: OTHER
Source sentences:
text: Mucous Membrane was an English punk rock band that featured John Constantine, going by the stagename
text: In the DC comics and its Hellblazer imprint, Mucous Membrane was an English punk rock band that featured John Constantine as its lead singer.