but it has an ambition to say something about its subjects , but not a willingness . 
(ROOT (S (CC but) (NP (PRP it)) (VP (VBZ has) (NP (NP (DT an) (NN ambition) (S (VP (TO to) (VP (VB say) (NP (NP (NN something)) (PP (IN about) (NP (PRP$ its) (NNS subjects)))))))) (, ,) (CC but) (RB not) (NP (DT a) (NN willingness)))) (. .)))
(ROOT (S (CC ) (NP (PRP )) (VP (VBZ ) (NP (NP (DT ) (NN ) (S (VP (TO ) (VP (VB ) (NP (NP (NN )) (PP (IN ) (NP (PRP$ ) (NNS )))))))) (, ) (CC ) (RB ) (NP (DT ) (NN )))) (. )))