A favorite story about anything?
( ( ( A ( favorite story ) ) ( about anything ) ) ? )
(ROOT (NP (NP (DT A) (JJ favorite) (NN story)) (PP (IN about) (NP (NN anything))) (. ?)))
What is your worst story ever?
( What ( ( is ( ( your ( worst story ) ) ever ) ) ? ) )
(ROOT (SBARQ (WHNP (WP What)) (SQ (VBZ is) (NP (NP (PRP$ your) (JJS worst) (NN story)) (ADVP (RB ever)))) (. ?)))