` how can you charge money for this ? ' 
(ROOT (SBARQ (`` `) (WHADVP (WRB how)) (SQ (MD can) (NP (PRP you)) (VP (VB charge) (NP (NN money)) (PP (IN for) (NP (DT this))))) (. ?) ('' ')))
(ROOT (SBARQ (`` ) (WHADVP (WRB )) (SQ (MD ) (NP (PRP )) (VP (VB ) (NP (NN )) (PP (IN ) (NP (DT ))))) (. ) ('' )))