I admit I have knowledge of a certain name, but perhaps my knowledge ends there."
( ( ( ( ( ( I ( admit ( I ( have ( knowledge ( of ( a ( certain name ) ) ) ) ) ) ) ) , ) but ) ( perhaps ( ( my knowledge ) ( ends there ) ) ) ) . ) '' )
(ROOT (S (S (NP (PRP I)) (VP (VBP admit) (SBAR (S (NP (PRP I)) (VP (VBP have) (NP (NP (NN knowledge)) (PP (IN of) (NP (DT a) (JJ certain) (NN name))))))))) (, ,) (CC but) (S (ADVP (RB perhaps)) (NP (PRP$ my) (NN knowledge)) (VP (VBZ ends) (ADVP (RB there)))) (. .) ('' '')))
Perhaps a tip would help refresh my memory?
( Perhaps ( ( a tip ) ( ( would ( help ( refresh ( my memory ) ) ) ) ? ) ) )
(ROOT (S (ADVP (RB Perhaps)) (NP (DT a) (NN tip)) (VP (MD would) (VP (VB help) (VP (VB refresh) (NP (PRP$ my) (NN memory))))) (. ?)))