there is a real subject here , and 
(ROOT (S (NP (EX there)) (VP (VP (VBZ is) (NP (DT a) (JJ real) (NN subject)) (ADVP (RB here))) (, ,) (CC and))))
(ROOT (S (NP (EX )) (VP (VP (VBZ ) (NP (DT ) (JJ ) (NN )) (ADVP (RB ))) (, ) (CC ))))