And your age?
( And ( your ( age ? ) ) )
(ROOT (S (CC And) (NP (PRP your)) (VP (VBP age)) (. ?)))
You're a child, aren't you?
( ( You ( 're ( a child ) ) ) ( , ( ( ( are n't ) you ) ? ) ) )
(ROOT (SINV (S (NP (PRP You)) (VP (VBP 're) (NP (DT a) (NN child)))) (, ,) (VP (VBP are) (RB n't)) (NP (PRP you)) (. ?)))