wilson and murphy show how funny they could have been in a more ambitious movie 
(ROOT (S (NP (NNP wilson) (CC and) (NNP murphy)) (VP (VBP show) (SBAR (WHADJP (WRB how) (JJ funny)) (S (NP (PRP they)) (VP (MD could) (VP (VB have) (VP (VBN been) (PP (IN in) (NP (DT a) (ADJP (RBR more) (JJ ambitious)) (NN movie)))))))))))
(ROOT (S (NP (NNP ) (CC ) (NNP )) (VP (VBP ) (SBAR (WHADJP (WRB ) (JJ )) (S (NP (PRP )) (VP (MD ) (VP (VB ) (VP (VBN ) (PP (IN ) (NP (DT ) (ADJP (RBR ) (JJ )) (NN )))))))))))