mind-numbingly , indescribably bad 
(ROOT (S (VP (NN mind) (HYPH -) (ADJP (ADVP (RB numbingly)) (, ,) (ADJP (RB indescribably) (JJ bad))))))
(ROOT (S (VP (NN ) (HYPH ) (ADJP (ADVP (RB )) (, ) (ADJP (RB ) (JJ ))))))