Task: Story Composition
Input (English): Premise: The dog knew that something was up when her master put her in the car. 
 Initial Context: The whole car trip, she was nervous and anxious. 
 Original Ending: She knew she wasn't going to the park. When she saw the vet's office, she knew it was going to be a bad day. The vet wasn't as bad as she thought, and they went to the park after. 
 Counterfactual Context: The whole car trip, she was nervous and anxious but will never go to the vet.
Output (English): She knew she was probably going to the vet and didn't really have a choice about it. When she saw the vet's office, she knew it was going to be a bad day. The vet wasn't as bad as she thought, and they went to the park after.