that ( nelson 's ) achievement does n't match his ambition 
(ROOT (S (NP (DT that) (-LRB- -LRB-) (NP (NNP nelson) (POS 's)) (-RRB- -RRB-) (NN achievement)) (VP (VBZ does) (RB n't) (VP (VB match) (NP (PRP$ his) (NN ambition))))))
(ROOT (S (NP (DT ) (-LRB- ) (NP (NNP ) (POS )) (-RRB- ) (NN )) (VP (VBZ ) (RB ) (VP (VB ) (NP (PRP$ ) (NN ))))))