\\ How \\, how come?
( ( ( \ \ ) ( How ( \ \ ) ) ) ( , ( ( how come ) ? ) ) )
(ROOT (SBARQ (FRAG (NP (NNP \) (NNP \)) (WHADJP (WRB How) (ADJP (RB \) (JJ \)))) (, ,) (SBARQ (WHADVP (WRB how)) (SQ (VP (VBP come)))) (. ?)))
How did you do it and why is my question because I saw the story in the news about the bank robbery? 
( ( ( How ( ( did you ) ( do it ) ) ) and ) ( why ( ( is ( ( my question ) ( because ( I ( ( ( saw ( the story ) ) ( in ( the news ) ) ) ( about ( the ( bank robbery ) ) ) ) ) ) ) ) ? ) ) )
(ROOT (SBARQ (SBARQ (WHADVP (WRB How)) (SQ (VBD did) (NP (PRP you)) (VP (VB do) (NP (PRP it))))) (CC and) (SBARQ (WHADVP (WRB why)) (SQ (VBZ is) (NP (NP (PRP$ my) (NN question)) (SBAR (IN because) (S (NP (PRP I)) (VP (VBD saw) (NP (DT the) (NN story)) (PP (IN in) (NP (DT the) (NN news))) (PP (IN about) (NP (DT the) (NN bank) (NN robbery)))))))) (. ?))))