Task: Story Composition
Input (English): Premise: The bachelor's party went to a performance. 
 Initial Context: The show included performers juggling fire sticks and a belly dancer. 
 Original Ending: When the belly dancer came on stage, the party was mesmerized. The dancer went through her routine. The party went home, fulfilled and content with the performance. 
 Counterfactual Context: The show included trick ponies.
Output (English): When the trick pony came on stage, the party was mesmerized. The trick ponies went through their routine. The party went home, fulfilled and content with the performance.