Task: Story Composition
Input (English): Premise: I was walking to my class. 
 Initial Context: I ran into a stranger who said hi to me. 
 Original Ending: Since I didn't know who he was, I asked him for his name. He told me that he was in one of my high school classes. He was a janitor at the school. 
 Counterfactual Context: I ran into my best friend who said hi to me.
Output (English): Since I didn't have time to stop, I asked him to call me later. He told me that he was in the same class. He was in the same degree program at the school.