it 's a spectacular performance - ahem , we hope it 's only acting . 
(ROOT (S (NP (PRP it)) (VP (VBZ 's) (NP (DT a) (JJ spectacular) (NN performance)) (HYPH -) (INTJ (UH ahem)) (, ,) (SBAR (S (NP (PRP we)) (VP (VBP hope) (SBAR (S (NP (PRP it)) (VP (VBZ 's) (ADVP (RB only)) (VP (VBG acting))))))))) (. .)))
(ROOT (S (NP (PRP )) (VP (VBZ ) (NP (DT ) (JJ ) (NN )) (HYPH ) (INTJ (UH )) (, ) (SBAR (S (NP (PRP )) (VP (VBP ) (SBAR (S (NP (PRP )) (VP (VBZ ) (ADVP (RB )) (VP (VBG ))))))))) (. )))