fessenden has nurtured his metaphors at the expense of his narrative , but he does display an original talent . 
(ROOT (S (S (NP (NNP fessenden)) (VP (VBZ has) (VP (VBN nurtured) (NP (PRP$ his) (NNS metaphors)) (PP (IN at) (NP (NP (DT the) (NN expense)) (PP (IN of) (NP (PRP$ his) (NN narrative)))))))) (, ,) (CC but) (S (NP (PRP he)) (VP (VBZ does) (VP (VB display) (NP (DT an) (JJ original) (NN talent))))) (. .)))
(ROOT (S (S (NP (NNP )) (VP (VBZ ) (VP (VBN ) (NP (PRP$ ) (NNS )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (PRP$ ) (NN )))))))) (, ) (CC ) (S (NP (PRP )) (VP (VBZ ) (VP (VB ) (NP (DT ) (JJ ) (NN ))))) (. )))