you can taste it , but there 's no fizz 
(ROOT (S (S (NP (PRP you)) (VP (MD can) (VP (VB taste) (NP (PRP it))))) (, ,) (CC but) (S (NP (EX there)) (VP (VBZ 's) (NP (DT no) (NN fizz))))))
(ROOT (S (S (NP (PRP )) (VP (MD ) (VP (VB ) (NP (PRP ))))) (, ) (CC ) (S (NP (EX )) (VP (VBZ ) (NP (DT ) (NN ))))))