And who could blame him?
( And ( who ( ( could ( blame him ) ) ? ) ) )
(ROOT (SBARQ (CC And) (WHNP (WP who)) (SQ (VP (MD could) (VP (VB blame) (NP (PRP him))))) (. ?)))
He had no idea, why would he be guilty?
( He ( ( ( ( had ( no idea ) ) , ) ( why ( ( would he ) ( be guilty ) ) ) ) ? ) )
(ROOT (S (NP (PRP He)) (VP (VBD had) (NP (DT no) (NN idea)) (, ,) (SBAR (WHADVP (WRB why)) (S (VP (MD would) (NP (PRP he)) (S (VP (VB be) (ADJP (JJ guilty)))))))) (. ?)))