a successful example of the lovable-loser protagonist 
(ROOT (NP (NP (DT a) (JJ successful) (NN example)) (PP (IN of) (NP (DT the) (NML (JJ lovable) (HYPH -) (NN loser)) (NN protagonist)))))
(ROOT (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (DT ) (NML (JJ ) (HYPH ) (NN )) (NN )))))