How about um, your motorcycle?
( How ( ( about ( ( um , ) ( your motorcycle ) ) ) ? ) )
(ROOT (FRAG (WHADVP (WRB How)) (PP (IN about) (NP (NP (NN um)) (, ,) (NP (PRP$ your) (NN motorcycle))) (. ?))))
What about the motorcycle you have? 
( ( What ( about ( the motorcycle ) ) ) ( ( you have ) ? ) )
(ROOT (SBARQ (WHNP (WHNP (WP What)) (PP (IN about) (NP (DT the) (NN motorcycle)))) (SQ (NP (PRP you)) (VP (VB have))) (. ?)))