the romance between the leads is n't as compelling or as believable as it should be . 
(ROOT (S (NP (NP (DT the) (NN romance)) (PP (IN between) (NP (DT the) (NNS leads)))) (VP (VBZ is) (RB n't) (ADJP (ADJP (RB as) (JJ compelling)) (CC or) (ADJP (ADJP (RB as) (JJ believable)) (SBAR (IN as) (S (NP (PRP it)) (VP (MD should) (VP (VB be)))))))) (. .)))
(ROOT (S (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (NNS )))) (VP (VBZ ) (RB ) (ADJP (ADJP (RB ) (JJ )) (CC ) (ADJP (ADJP (RB ) (JJ )) (SBAR (IN ) (S (NP (PRP )) (VP (MD ) (VP (VB )))))))) (. )))