becomes a tv episode rather than a documentary 
(ROOT (S (VP (VBZ becomes) (NP (NP (DT a) (NN tv) (NN episode)) (CONJP (RB rather) (IN than)) (NP (DT a) (NN documentary))))))
(ROOT (S (VP (VBZ ) (NP (NP (DT ) (NN ) (NN )) (CONJP (RB ) (IN )) (NP (DT ) (NN ))))))