Task: Story Composition
Input (English): Premise: Pete and Tom were playing frisbee. 
 Initial Context: Pete threw the frisbee a little too far to the side. 
 Original Ending: Without thinking, Tom leaped for it. Tom yelled as he flew right into the river. They both had a good laugh afterward. 
 Counterfactual Context: Pete threw the frisbee straight to Tom.
Output (English): Without even thinking, Tom caught it. Tom yelled that Pete threw it so hard it almost flew Tom right into the river. They both had a good laugh afterward.