be oblivious to the existence of this film 
(ROOT (S (VP (VB be) (ADJP (JJ oblivious) (PP (IN to) (NP (NP (DT the) (NN existence)) (PP (IN of) (NP (DT this) (NN film)))))))))
(ROOT (S (VP (VB ) (ADJP (JJ ) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (NN )))))))))