premise: Bob dropped off his car to get an oil change.
initial: When he got his car back it started to sound funny.
counterfactual: Bob was very happy with the perfect servicing.
original_ending: Smoke began to come out of his car. The mechanic forgot to put oil in his car. Bob was livid!
edited_ending: The car was working better than expected.The mechanic poured the right amount of oil in his car.Bob was glad and thankful.<SEP>Smoke began to come out of his car a few weeks later.The mechanic forgot to do something.Bob was livid!<SEP>The car ran better than ever.The mechanic put the right amount of oil in his car.Bob was thrilled.