have the slightest difficulty accepting him in the role 
(ROOT (S (VP (VB have) (NP (NP (DT the) (JJS slightest) (NN difficulty)) (S (VP (VBG accepting) (NP (PRP him)) (PP (IN in) (NP (DT the) (NN role)))))))))
(ROOT (S (VP (VB ) (NP (NP (DT ) (JJS ) (NN )) (S (VP (VBG ) (NP (PRP )) (PP (IN ) (NP (DT ) (NN )))))))))