given it a one-star rating 
(ROOT (S (VP (VBN given) (NP (PRP it)) (NP (DT a) (NML (CD one) (HYPH -) (NN star)) (NN rating)))))
(ROOT (S (VP (VBN ) (NP (PRP )) (NP (DT ) (NML (CD ) (HYPH ) (NN )) (NN )))))