though its story is only surface deep 
(ROOT (SBAR (IN though) (S (NP (PRP$ its) (NN story)) (VP (VBZ is) (ADJP (RB only) (NN surface) (JJ deep))))))
(ROOT (SBAR (IN ) (S (NP (PRP$ ) (NN )) (VP (VBZ ) (ADJP (RB ) (NN ) (JJ ))))))