a marvelous performance by allison lohman 
(ROOT (NP (NP (DT a) (JJ marvelous) (NN performance)) (PP (IN by) (NP (NNP allison) (NNP lohman)))))
(ROOT (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NNP ) (NNP )))))