Task: Story Composition
Input (English): Premise: Jack had never been on a boat before. 
 Initial Context: He was excited when his uncle asked him to go fishing on one. 
 Original Ending: He was expecting a small row boat but the boat was actually quite big. Jack was too busy looking at everything on the boat to even fish. Jack decided he wanted to buy a boat when he got older! 
 Counterfactual Context: His uncle was taking him on a yacht.
Output (English): He was expecting a small yacht, but the boat was actually quite big. Jack was too busy looking at everything on the boat to even fish. Jack decided he wanted to buy a boat when he got older.