i saw it as a young boy 
(ROOT (S (NP (PRP i)) (VP (VBD saw) (NP (PRP it)) (PP (IN as) (NP (DT a) (JJ young) (NN boy))))))
(ROOT (S (NP (PRP )) (VP (VBD ) (NP (PRP )) (PP (IN ) (NP (DT ) (JJ ) (NN ))))))