Task: Story Composition
Input (English): Premise: Penny's father said he had a big surprise. 
 Initial Context: Penny and her family got in the car, and drove a long time. 
 Original Ending: Penny fell asleep in the back seat. When she woke up,they were pulling into an amusement park. Penny loved the surprise. 
 Counterfactual Context: Penny and her family took a short walk to the center of town.
Output (English): Penny felt sleepy on the short walk. When she looked up,they were walking into an ice cream parlor. Penny loved the surprise.