I said to him, that they want to do in that meeting?
( I ( ( ( ( said ( to him ) ) , ) ( that ( they ( want ( to ( do ( in ( that meeting ) ) ) ) ) ) ) ) ? ) )
(ROOT (S (NP (PRP I)) (VP (VBD said) (PP (TO to) (NP (PRP him))) (, ,) (SBAR (IN that) (S (NP (PRP they)) (VP (VBP want) (S (VP (TO to) (VP (VB do) (PP (IN in) (NP (DT that) (NN meeting)))))))))) (. ?)))
The question wasn't exactly clear, so he didn't understand.
( ( ( ( ( ( The question ) ( ( was n't ) ( exactly clear ) ) ) , ) so ) ( he ( ( did n't ) understand ) ) ) . )
(ROOT (S (S (NP (DT The) (NN question)) (VP (VBD was) (RB n't) (ADJP (RB exactly) (JJ clear)))) (, ,) (IN so) (S (NP (PRP he)) (VP (VBD did) (RB n't) (VP (VB understand)))) (. .)))