`` extreme ops '' exceeds expectations . 
(ROOT (S (NP (`` ``) (JJ extreme) (NNS ops) ('' '')) (VP (VBZ exceeds) (NP (NNS expectations))) (. .)))
(ROOT (S (NP (`` ) (JJ ) (NNS ) ('' )) (VP (VBZ ) (NP (NNS ))) (. )))