We are assured of success?"
( We ( ( ( are ( assured ( of success ) ) ) ? ) '' ) )
(ROOT (S (NP (PRP We)) (VP (VBP are) (VP (VBN assured) (PP (IN of) (NP (NN success))))) (. ?) ('' '')))
"We are going to fail, aren't we?"
( `` ( We ( ( ( are ( going ( to ( ( fail , ) ( ( are n't ) we ) ) ) ) ) ? ) '' ) ) )
(ROOT (S (`` ``) (NP (PRP We)) (VP (VBP are) (VP (VBG going) (S (VP (TO to) (VP (VP (VB fail)) (, ,) (VP (VBP are) (RB n't) (NP (PRP we)))))))) (. ?) ('' '')))