Task: Story Composition
Input (English): Premise: Donald never learned how to fish. 
 Initial Context: His friends always said they would teach him. 
 Original Ending: But they never invited him on trips. He was about to buy a fishing pole for himself. But then didn't when he realized how sad it was. 
 Counterfactual Context: He learned to swim instead.
Output (English): But they never invited him to swim. He was about to buy a pool for himself. But then didn't when he realized how sad it was.