Task: Story Composition
Input (English): Premise: Annie was walking home from school with friends. 
 Initial Context: They were running past a canal when Annie slipped. 
 Original Ending: She fell into the water. All of her friends helped to pull her out. Annie was soaking wet and had to go home to change. 
 Counterfactual Context: Annie forgot something and return to the school.
Output (English): On her way back she fell into a canal. All of her friends helped to pull her out. Annie was soaking wet and had to go home to change.