Task: Story Composition
Input (English): Premise: My friend loved to play the lottery. 
 Initial Context: He asked me if I wanted to play. 
 Original Ending: I said no. I calculated the odds of winning and I showed him the number. He realized the lottery was not in his favor and he quit playing it. 
 Counterfactual Context: We both loved to play the lottery.
Output (English): We went to crunch some numbers. I calculated the odds of winning and I showed him the number. We realized the lottery was not in his favor and he quit playing it.