Task: Story Composition
Input (English): Premise: Kevin could not find his car keys. 
 Initial Context: He looked all over the house for them. 
 Original Ending: Kevin could not find his keys in his backpack. He started to panic since he was late for work. When he reached in his pockets, he found his keys. 
 Counterfactual Context: Good thing he didn't need to go to work today.
Output (English): Kevin could not find his keys in his backpack. He did not panic since he has no work today. When he reached in his pockets, he found his keys.