, there are great rewards here . 
(ROOT (S (, ,) (NP (EX there)) (VP (VBP are) (NP (JJ great) (NNS rewards)) (ADVP (RB here))) (. .)))
(ROOT (S (, ) (NP (EX )) (VP (VBP ) (NP (JJ ) (NNS )) (ADVP (RB ))) (. )))