Task: Story Composition
Input (English): Premise: Eva needed to lose a few pounds over the summer. 
 Initial Context: But it was so hot and she just couldn't refuse ice cream Popsicles! 
 Original Ending: Then a friend told her to freeze fruits and yogurt to snack on. The treats were still cold and sweet, but much healthier. By the end of summer, Eva had lost eleven pounds! 
 Counterfactual Context: She drank lots of water and it kept her hydrated and full so she wasn't always wanting to eat snacks.
Output (English): Then a friend told her to freeze fruits and yogurt to snack on. The treats were cold and sweet, and healthy so she wouldn't feel guilty eating them. By the end of summer, Eva had lost eleven pounds!