They were so sure of themselves that they took it for granted he had made a mistake."
( They ( ( ( ( were ( so ( sure ( of themselves ) ) ) ) ( that ( they ( ( took it ) ( for ( granted ( he ( had ( made ( a mistake ) ) ) ) ) ) ) ) ) ) . ) '' ) )
(ROOT (S (NP (PRP They)) (VP (VBD were) (ADJP (RB so) (JJ sure) (PP (IN of) (NP (PRP themselves)))) (SBAR (IN that) (S (NP (PRP they)) (VP (VBD took) (NP (PRP it)) (SBAR (IN for) (S (VP (VBD granted) (SBAR (S (NP (PRP he)) (VP (VBD had) (VP (VBN made) (NP (DT a) (NN mistake))))))))))))) (. .) ('' '')))
They were unconfident so they were hesitant to think he might have made a mistake.
( They ( ( ( were unconfident ) ( so ( they ( were ( hesitant ( to ( think ( he ( might ( have ( made ( a mistake ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBD were) (ADJP (JJ unconfident)) (SBAR (IN so) (S (NP (PRP they)) (VP (VBD were) (ADJP (JJ hesitant) (S (VP (TO to) (VP (VB think) (SBAR (S (NP (PRP he)) (VP (MD might) (VP (VB have) (VP (VBN made) (NP (DT a) (NN mistake))))))))))))))) (. .)))