i have given this movie a rating of zero . 
(ROOT (S (NP (PRP i)) (VP (VBP have) (VP (VBN given) (NP (DT this) (NN movie)) (NP (NP (DT a) (NN rating)) (PP (IN of) (NP (CD zero)))))) (. .)))
(ROOT (S (NP (PRP )) (VP (VBP ) (VP (VBN ) (NP (DT ) (NN )) (NP (NP (DT ) (NN )) (PP (IN ) (NP (CD )))))) (. )))