has become the master of innuendo 
(ROOT (S (VP (VBZ has) (VP (VBN become) (NP (NP (DT the) (NN master)) (PP (IN of) (NP (NN innuendo))))))))
(ROOT (S (VP (VBZ ) (VP (VBN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN ))))))))