of the imagery in this chiaroscuro of madness and light 
(ROOT (PP (IN of) (NP (NP (DT the) (NN imagery)) (PP (IN in) (NP (NP (DT this) (NN chiaroscuro)) (PP (IN of) (NP (NN madness) (CC and) (NN light))))))))
(ROOT (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN ) (CC ) (NN ))))))))