I mean I'm sure I have read I just can't even remember what, Dr. Zhivago, I read that.
( I ( ( mean ( I ( 'm ( sure ( I ( have ( read ( I ( just ( ( ( ca n't ) even ) ( remember ( ( what ( , ( ( Dr. Zhivago ) , ) ) ) ( I ( read that ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP mean) (SBAR (S (NP (PRP I)) (VP (VBP 'm) (ADJP (JJ sure) (SBAR (S (NP (PRP I)) (VP (VBP have) (VP (VBN read) (SBAR (S (NP (PRP I)) (ADVP (RB just)) (VP (MD ca) (RB n't) (ADVP (RB even)) (VP (VB remember) (SBAR (WHNP (WP what)) (PRN (, ,) (NP (NNP Dr.) (NNP Zhivago)) (, ,)) (S (NP (PRP I)) (VP (VBP read) (NP (DT that)))))))))))))))))) (. .)))
I am certain that I can remember what Dr. Zhivago read.
( I ( ( am ( certain ( that ( I ( can ( remember ( what ( ( Dr. Zhivago ) read ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP am) (ADJP (JJ certain) (SBAR (IN that) (S (NP (PRP I)) (VP (MD can) (VP (VB remember) (SBAR (WHNP (WP what)) (S (NP (NNP Dr.) (NNP Zhivago)) (VP (VBD read)))))))))) (. .)))