who is too crazy to be interesting 
(ROOT (SBAR (WHNP (WP who)) (S (VP (VBZ is) (ADJP (RB too) (JJ crazy) (S (VP (TO to) (VP (VB be) (ADJP (JJ interesting))))))))))
(ROOT (SBAR (WHNP (WP )) (S (VP (VBZ ) (ADJP (RB ) (JJ ) (S (VP (TO ) (VP (VB ) (ADJP (JJ ))))))))))