a ` girls gone wild ' video 
(ROOT (NP (DT a) (`` `) (NP (NP (NNS girls)) (VP (VBN gone) (ADJP (JJ wild)))) ('' ') (NN video)))
(ROOT (NP (DT ) (`` ) (NP (NP (NNS )) (VP (VBN ) (ADJP (JJ )))) ('' ) (NN )))