have relied too much on convention in creating the characters who surround frankie . 
(ROOT (S (VP (VBP have) (VP (VBN relied) (ADVP (RB too) (RB much)) (PP (IN on) (NP (NN convention))) (PP (IN in) (S (VP (VBG creating) (NP (NP (DT the) (NNS characters)) (SBAR (WHNP (WP who)) (S (VP (VBP surround) (NP (NN frankie))))))))))) (. .)))
(ROOT (S (VP (VBP ) (VP (VBN ) (ADVP (RB ) (RB )) (PP (IN ) (NP (NN ))) (PP (IN ) (S (VP (VBG ) (NP (NP (DT ) (NNS )) (SBAR (WHNP (WP )) (S (VP (VBP ) (NP (NN ))))))))))) (. )))