Task: Story Composition
Input (English): Premise: Bobby had always been a big eater, and decided to enter a contest. 
 Initial Context: The challenge was to eat as many pies as possible in 10 minutes. 
 Original Ending: Bobby scarfed the pies as quickly as possible, and finished 12. He was awarded first prize, and received a large and shiny medal. But he didn't get to enjoy it long - he threw up almost immediately. 
 Counterfactual Context: The challenge was to eat as many burgers as possible in 10 minutes.
Output (English): Bobby scarfed the burgers as quickly as possible, and finished 12. He was awarded first prize, and received a large and shiny medal. But he didn't get to enjoy it long - he threw up almost immediately.