understated performances of ( jack nicholson 's ) career 
(ROOT (NP (NP (JJ understated) (NNS performances)) (PP (IN of) (NP (-LRB- -LRB-) (NP (NNP jack) (NNP nicholson) (POS 's)) (-RRB- -RRB-) (NN career)))))
(ROOT (NP (NP (JJ ) (NNS )) (PP (IN ) (NP (-LRB- ) (NP (NNP ) (NNP ) (POS )) (-RRB- ) (NN )))))