is a variant of the nincompoop benigni persona 
(ROOT (VP (VBZ is) (NP (NP (DT a) (NN variant)) (PP (IN of) (NP (DT the) (NN nincompoop) (NN benigni) (NN persona))))))
(ROOT (VP (VBZ ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (NN ) (NN ) (NN ))))))