so you can get your money back 
(ROOT (ADVP (RB so) (NP (PRP you)) (VP (MD can) (VP (VB get) (NP (PRP$ your) (NN money)) (ADVP (RB back))))))
(ROOT (ADVP (RB ) (NP (PRP )) (VP (MD ) (VP (VB ) (NP (PRP$ ) (NN )) (ADVP (RB ))))))