 Do you think that's what she wants? 
( ( ( Do you ) ( think ( that ( 's ( what ( she wants ) ) ) ) ) ) ? )
(ROOT (SQ (VBP Do) (NP (PRP you)) (VP (VB think) (SBAR (IN that) (S (VP (VBZ 's) (SBAR (WHNP (WP what)) (S (NP (PRP she)) (VP (VBZ wants)))))))) (. ?)))
She doesn't want anything.
( She ( ( ( does n't ) ( want anything ) ) . ) )
(ROOT (S (NP (PRP She)) (VP (VBZ does) (RB n't) (VP (VB want) (NP (NN anything)))) (. .)))