the insinuation of mediocre acting or 
(ROOT (NP (NP (NP (DT the) (NN insinuation)) (PP (IN of) (NP (JJ mediocre) (NN acting)))) (CC or)))
(ROOT (NP (NP (NP (DT ) (NN )) (PP (IN ) (NP (JJ ) (NN )))) (CC )))