one of the most curiously depressing 
(ROOT (NP (NP (CD one)) (PP (IN of) (NP (DT the) (ADJP (RBS most) (RB curiously) (JJ depressing))))))
(ROOT (NP (NP (CD )) (PP (IN ) (NP (DT ) (ADJP (RBS ) (RB ) (JJ ))))))