Task: Story Composition
Input (English): Premise: I was traveling in Mexico. 
 Initial Context: I decided to go to Mexico City. 
 Original Ending: Little did I know how dangerous the city was. I was robbed in downtown Mexico City. I decided to leave the city to protect myself. 
 Counterfactual Context: I decided to avoid Mexico City.
Output (English): I knew how dangerous the city was. A friend of mine was robbed in downtown Mexico City. I decided not to go to the city to protect myself.