of portraying the devastation of this disease 
(ROOT (PP (IN of) (S (VP (VBG portraying) (NP (NP (DT the) (NN devastation)) (PP (IN of) (NP (DT this) (NN disease))))))))
(ROOT (PP (IN ) (S (VP (VBG ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (NN ))))))))