I said to him, don't you know, Chepe, what it is?
( ( I ( said ( to him ) ) ) ( , ( ( ( ( do n't ) you ) ( ( ( ( know , ) Chepe ) , ) ( what ( it is ) ) ) ) ? ) ) )
(ROOT (SQ (S (NP (PRP I)) (VP (VBD said) (PP (TO to) (NP (PRP him))))) (, ,) (SQ (VBP do) (RB n't) (NP (PRP you)) (VP (VB know) (, ,) (VB Chepe) (, ,) (SBAR (WHNP (WP what)) (S (NP (PRP it)) (VP (VBZ is)))))) (. ?)))
Do you not know what the thing is, Chepe?
( ( ( ( Do you ) not ) ( know ( what ( ( the thing ) ( ( is , ) Chepe ) ) ) ) ) ? )
(ROOT (SQ (VBP Do) (NP (PRP you)) (ADVP (RB not)) (VP (VB know) (SBAR (WHNP (WP what)) (S (NP (DT the) (NN thing)) (VP (VBZ is) (, ,) (NP (NNP Chepe)))))) (. ?)))