rarely easy , obvious or self-indulgent 
(ROOT (ADJP (ADJP (RB rarely) (JJ easy)) (, ,) (ADJP (JJ obvious)) (CC or) (ADJP (NN self) (HYPH -) (JJ indulgent))))
(ROOT (ADJP (ADJP (RB ) (JJ )) (, ) (ADJP (JJ )) (CC ) (ADJP (NN ) (HYPH ) (JJ ))))