Now you're in, in what grade?
( Now ( you ( ( ( ( 're in ) , ) ( in ( what grade ) ) ) ? ) ) )
(ROOT (S (ADVP (RB Now)) (NP (PRP you)) (VP (VBP 're) (PP (IN in)) (, ,) (PP (IN in) (NP (WDT what) (NN grade)))) (. ?)))
In which grade are you now?
( ( In ( which grade ) ) ( ( ( are you ) now ) ? ) )
(ROOT (SBARQ (WHPP (IN In) (WHNP (WDT which) (NN grade))) (SQ (VBP are) (NP (PRP you)) (NP (RB now))) (. ?)))