Task: Story Composition
Input (English): Premise: The Walker family went to the Christmas tree farm. 
 Initial Context: They were looking for the perfect tree! 
 Original Ending: Suddenly, the children ran towards the biggest tree. It was the perfect Christmas tree! The Walker family tied it to their car and took it home. 
 Counterfactual Context: They found an imperfect Christmas tree and were disappointed.
Output (English): Suddenly, the children ran towards the biggest tree. It actually turned out to be the perfect Christmas tree! The Walker family tied it to their car and took it home.