the lack of naturalness makes everything seem self-consciously poetic and forced ... it 's a pity that ( nelson 's ) achievement does n't match his ambition . 
(ROOT (S (S (NP (NP (DT the) (NN lack)) (PP (IN of) (NP (NN naturalness)))) (VP (VBZ makes) (S (NP (NN everything)) (VP (VB seem) (S (ADJP (ADJP (NN self) (HYPH -) (RB consciously)) (JJ poetic) (CC and) (VBN forced))))))) (, ...) (S (NP (NP (PRP it))) (VP (VBZ 's) (NP (DT a) (NN pity)) (SBAR (WDT that) (S (-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 (S (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN )))) (VP (VBZ ) (S (NP (NN )) (VP (VB ) (S (ADJP (ADJP (NN ) (HYPH ) (RB )) (JJ ) (CC ) (VBN ))))))) (, ) (S (NP (NP (PRP ))) (VP (VBZ ) (NP (DT ) (NN )) (SBAR (WDT ) (S (-LRB- ) (NP (NNP ) (POS )) (-RRB- ) (NN ) (VP (VBZ ) (RB ) (VP (VB ) (NP (PRP$ ) (NN )))))))) (. )))