it gets very ugly , very fast 
(ROOT (S (NP (PRP it)) (VP (VBZ gets) (ADJP (RB very) (JJ ugly)) (, ,) (ADVP (RB very) (JJ fast)))))
(ROOT (S (NP (PRP )) (VP (VBZ ) (ADJP (RB ) (JJ )) (, ) (ADVP (RB ) (JJ )))))