premise: When Greg was 5 years old, he received his first dog.
initial: It was his favorite kind of dog, and he named it Sammy.
counterfactual: He named the dog Rambo, because it reminded him of the character.
original_ending: Sammy was a purebred poodle. After a few years, Greg came very close to Sammy. Greg was happy that Sammy was his dog.
edited_ending: Rambo was a purebred poodle.After a few years, Greg came very close to Rambo.Greg was happy that Rambo was his dog.<SEP>Sammy was a purebred poodle.After a few years, Greg came very close to Rambo.Greg was happy that Rambo was his dog.<SEP>Rambo was a purebred poodle.After a few years, Greg came very close to Rambo.Greg was happy that Rambo was his dog.