an unbalanced mixture of graphic combat footage 
(ROOT (NP (NP (DT an) (JJ unbalanced) (NN mixture)) (PP (IN of) (NP (JJ graphic) (NN combat) (NN footage)))))
(ROOT (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (JJ ) (NN ) (NN )))))