acting like an 8-year-old channeling roberto benigni 
(ROOT (S (VP (VBG acting) (PP (IN like) (NP (DT an) (ADJP (NP (CD 8) (HYPH -) (NN year)) (HYPH -) (JJ old)) (VP (NN channeling) (NP (FW roberto) (NN benigni))))))))
(ROOT (S (VP (VBG ) (PP (IN ) (NP (DT ) (ADJP (NP (CD ) (HYPH ) (NN )) (HYPH ) (JJ )) (VP (NN ) (NP (FW ) (NN ))))))))