Task: Story Composition
Input (English): Premise: Bill and Jill went to the zoo to see the big cats. 
 Initial Context: Jill looked in the tiger pen but didn't see it. 
 Original Ending: Bill stood behind Jill and made loud tiger noises. The noises startled Jill greatly. She punched Bill on the shoulder for being so cruel. 
 Counterfactual Context: Jill looked in the lion cage but didn't see it.
Output (English): Bill stood behind Jill and made loud lion noises. The noises startled Jill greatly. She punched Bill on the shoulder for being so cruel.