And how old are you?
( And ( ( how old ) ( ( are you ) ? ) ) )
(ROOT (SBARQ (CC And) (WHADVP (WRB how) (JJ old)) (SQ (VBP are) (NP (PRP you))) (. ?)))
How old are you? I'm 21.
( ( ( How old ) ( ( are you ) ? ) ) ( I ( ( 'm 21 ) . ) ) )
(ROOT (S (SBARQ (WHADJP (WRB How) (JJ old)) (SQ (VBP are) (NP (PRP you))) (. ?)) (NP (PRP I)) (VP (VBP 'm) (NP (CD 21))) (. .)))