there 's nothing exactly wrong here 
(ROOT (S (NP (EX there)) (VP (VBZ 's) (NP (NP (NN nothing)) (ADJP (RB exactly) (JJ wrong))) (ADVP (RB here)))))
(ROOT (S (NP (EX )) (VP (VBZ ) (NP (NP (NN )) (ADJP (RB ) (JJ ))) (ADVP (RB )))))