it looks good , sonny , but you missed the point 
(ROOT (S (S (NP (PRP it)) (VP (VBZ looks) (ADJP (JJ good)) (, ,) (S (ADJP (JJ sonny))))) (, ,) (CC but) (S (NP (PRP you)) (VP (VBD missed) (NP (DT the) (NN point))))))
(ROOT (S (S (NP (PRP )) (VP (VBZ ) (ADJP (JJ )) (, ) (S (ADJP (JJ ))))) (, ) (CC ) (S (NP (PRP )) (VP (VBD ) (NP (DT ) (NN ))))))