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