I thought working on Liddy's campaign would be better than working on Bob's.
( I ( ( thought ( ( working ( on ( ( Liddy 's ) campaign ) ) ) ( would ( be ( better ( than ( working ( on ( Bob 's ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD thought) (SBAR (S (S (VP (VBG working) (PP (IN on) (NP (NP (NNP Liddy) (POS 's)) (NN campaign))))) (VP (MD would) (VP (VB be) (ADJP (ADJP (JJR better)) (PP (IN than) (S (VP (VBG working) (PP (IN on) (NP (NNP Bob) (POS 's)))))))))))) (. .)))
Liddy did not have a campaign.
( Liddy ( ( ( did not ) ( have ( a campaign ) ) ) . ) )
(ROOT (S (NP (NNP Liddy)) (VP (VBD did) (RB not) (VP (VB have) (NP (DT a) (NN campaign)))) (. .)))