What color is it?
( ( What color ) ( ( is it ) ? ) )
(ROOT (SBARQ (WHNP (WDT What) (NN color)) (SQ (VBZ is) (NP (PRP it))) (. ?)))
The color, what is it?
( ( The color ) ( , ( what ( ( is it ) ? ) ) ) )
(ROOT (SBARQ (NP (DT The) (NN color)) (, ,) (WHNP (WP what)) (SQ (VBZ is) (NP (PRP it))) (. ?)))