it 's a spectacular performance - ahem 
(ROOT (S (NP (PRP it)) (VP (VBZ 's) (NP (DT a) (JJ spectacular) (NN performance)) (HYPH -) (ADVP (UH ahem)))))
(ROOT (S (NP (PRP )) (VP (VBZ ) (NP (DT ) (JJ ) (NN )) (HYPH ) (ADVP (UH )))))