Task: Story Composition
Input (English): Premise: My best friend loved riding dirt bikes when I was a kid. 
 Initial Context: I begged my parents for months to buy me a dirt bike. 
 Original Ending: They finally relented and got me one for my birthday. I took one ride and broke my arm after crashing into a tree. I had my parents sell my dirt bike and never rode one again. 
 Counterfactual Context: I asked my parents for a dirt bike and they got me one immediately.
Output (English): On the following year, I begged for a new dirt bike and they got me one for my birthday. I took one ride and broke my arm after crashing into a tree. I had my parents sell my dirt bikes and never rode one again.