What are those stories?
( What ( ( are ( those stories ) ) ? ) )
(ROOT (SBARQ (WHNP (WP What)) (SQ (VBP are) (NP (DT those) (NNS stories))) (. ?)))
These stories are?
( ( These stories ) ( are ? ) )
(ROOT (S (NP (DT These) (NNS stories)) (VP (VBP are)) (. ?)))