a portrait of two strong men in conflict 
(ROOT (NP (NP (DT a) (NN portrait)) (PP (IN of) (NP (NP (CD two) (JJ strong) (NNS men)) (PP (IN in) (NP (NN conflict)))))))
(ROOT (NP (NP (DT ) (NN )) (PP (IN ) (NP (NP (CD ) (JJ ) (NNS )) (PP (IN ) (NP (NN )))))))