a flick boasting this many genuine cackles 
(ROOT (NP (NP (DT a) (NN flick)) (VP (VBG boasting) (NP (ADJP (DT this) (JJ many)) (JJ genuine) (NNS cackles)))))
(ROOT (NP (NP (DT ) (NN )) (VP (VBG ) (NP (ADJP (DT ) (JJ )) (JJ ) (NNS )))))