Task: Story Composition
Input (English): Premise: Kelsi really needed to work out. 
 Initial Context: She had not worked out in ages. 
 Original Ending: She decided to go down to the treadmill. As she started running, she ran three miles. By the end of the last mile she was exhausted. 
 Counterfactual Context: She had gained a lot of weight since going off to college.
Output (English): She decided to go down to the treadmill. As she started running, she ran three miles. By the end of the last mile she was exhausted.