who excels in the art of impossible disappearing/reappearing acts 
(ROOT (SBAR (WHNP (WP who)) (S (VP (VBZ excels) (PP (IN in) (NP (NP (DT the) (NN art)) (PP (IN of) (NP (JJ impossible) (ADJP (NN disappearing) (, /) (VBG reappearing)) (NNS acts)))))))))
(ROOT (SBAR (WHNP (WP )) (S (VP (VBZ ) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (JJ ) (ADJP (NN ) (, ) (VBG )) (NNS )))))))))