Anybody who asks  Why a brass monkey? 
( Anybody ( who ( ( asks ( Why ( a ( brass monkey ) ) ) ) ? ) ) )
(ROOT (SBARQ (ADVP (RB Anybody)) (WHNP (WP who)) (SQ (VP (VBZ asks) (NP (INTJ (WRB Why)) (NP (DT a) (NN brass) (NN monkey))))) (. ?)))
Why a brass monkey, they ask? 
( ( Why ( ( a brass ) monkey ) ) ( , ( they ( ask ? ) ) ) )
(ROOT (S (SBAR (WHADVP (WRB Why)) (S (NP (DT a) (NN brass)) (VP (VBZ monkey)))) (, ,) (NP (PRP they)) (VP (VBP ask)) (. ?)))