His marriage, Sears guessed, would have been unsuccessful and his children would have difficulty finding themselves.
( ( ( ( ( ( ( ( His marriage ) , ) ( Sears guessed ) ) , ) ( would ( have ( been unsuccessful ) ) ) ) and ) ( ( his children ) ( would ( have ( difficulty ( finding themselves ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (PRP$ His) (NN marriage)) (, ,) (NP (NNP Sears) (NNP guessed)) (, ,)) (VP (MD would) (VP (VB have) (VP (VBN been) (ADJP (JJ unsuccessful)))))) (CC and) (S (NP (PRP$ his) (NNS children)) (VP (MD would) (VP (VB have) (NP (NP (NN difficulty)) (VP (VBG finding) (NP (PRP themselves))))))) (. .)))
His marriage wasn't successful and his children will have problems. 
( ( ( ( ( His marriage ) ( ( was n't ) successful ) ) and ) ( ( his children ) ( will ( have problems ) ) ) ) . )
(ROOT (S (S (NP (PRP$ His) (NN marriage)) (VP (VBD was) (RB n't) (ADJP (JJ successful)))) (CC and) (S (NP (PRP$ his) (NNS children)) (VP (MD will) (VP (VB have) (NP (NNS problems))))) (. .)))