Task: Story Composition
Input (English): Premise: Sam saw cockroaches in his apartment. 
 Initial Context: So he called an exterminator. 
 Original Ending: Sam returned to his apartment after the exterminator finished. There were no more cockroaches. Sam was happy with the service that the exterminator provided. 
 Counterfactual Context: So Sam decided to buy cockroach repellent at the store.
Output (English): Sam returned to his apartment and used the repellant. There were no more cockroaches. Sam was happy with the results that the repellent provided.