I said to him, But you know, I'm your friend, tell me why.
( ( ( ( ( I ( said ( to him ) ) ) , ) But ) ( you ( ( know ( , ( ( I ( 'm ( your friend ) ) ) , ) ) ) ( ( tell me ) why ) ) ) ) . )
(ROOT (S (S (NP (PRP I)) (VP (VBD said) (PP (TO to) (NP (PRP him))))) (, ,) (CC But) (S (NP (PRP you)) (VP (VP (VBP know)) (PRN (, ,) (S (NP (PRP I)) (VP (VBP 'm) (NP (PRP$ your) (NN friend)))) (, ,)) (VP (VB tell) (NP (PRP me)) (FRAG (WHADVP (WRB why)))))) (. .)))
I told him as a friend he could tell me why.
( I ( ( ( told him ) ( as ( ( a friend ) ( he ( could ( ( tell me ) why ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD told) (NP (PRP him)) (PP (IN as) (NP (NP (DT a) (NN friend)) (SBAR (S (NP (PRP he)) (VP (MD could) (VP (VB tell) (NP (PRP me)) (FRAG (WHADVP (WRB why)))))))))) (. .)))