Task: Story Composition
Input (English): Premise: In the last mile of a marathon only two runners were in contention. 
 Initial Context: They began to pick up their pace and run even faster. 
 Original Ending: One runner slipped on the ground and tripped the other. They both tumbled and fell on the ground. They rested for a few second before getting back up. 
 Counterfactual Context: They both got cramps and had to drop out of the race.
Output (English): One runner  got cramps on the ground and tripped the other. They both  rested on the ground. They rested for a few second before they drop out.