Well, who told you that story?
( Well ( , ( who ( ( ( told you ) ( that story ) ) ? ) ) ) )
(ROOT (SBARQ (NP (NNP Well)) (, ,) (WHNP (WP who)) (SQ (VBD told) (NP (PRP you)) (NP (DT that) (NN story))) (. ?)))
Who was it that described that story to you?
( Who ( ( ( was it ) ( that ( ( described ( that story ) ) ( to you ) ) ) ) ? ) )
(ROOT (SBARQ (WHNP (WP Who)) (SQ (VBD was) (NP (PRP it)) (SBAR (WHNP (WDT that)) (S (VP (VBD described) (NP (DT that) (NN story)) (PP (TO to) (NP (PRP you))))))) (. ?)))