Task: Story Composition
Input (English): Premise: Dan decided to dress as the Easter Bunny for his kids. 
 Initial Context: He picked up the costume his wife ordered online. 
 Original Ending: When he put the costume on it was too big. He went to the yard to see the kids wearing the hideously large suit. The children began screaming when they saw the monster bunny. 
 Counterfactual Context: He picked up the mask his wife ordered online.
Output (English): When he put the mask on it was too big. He went to the yard to see the kids wearing the hideously large mask. The children began screaming when they saw the monster bunny.