premise: Nick took his dog for a walk last Saturday.
initial: During the walk, his dog saw several other dogs.
counterfactual: During the walk, his dog was very well behaved.
original_ending: He was not well-socialized, so he started barking at them. It was a long and painful experience for both of them. Nick decided to take his dog to a trainer.
edited_ending: He was very well-socialized, so he didn't bark at the other dogs they saw.It was a long and enjoyable experience for both of them.Nick decided to take his dog for walks more often.<SEP>He was well-socialized, but other dogs started barking at him.It was a long and painful experience for both of them.Nick decided to take his dog home.<SEP>He was a well-socialized dog, so he didn't mind meeting other dogs.It was a pleasant experience for both of them.Nick decided to take his dog on a longer walk.