Task: Story Composition
Input (English): Premise: Kate knew her boyfriend Charlie needed a new warm scarf. 
 Initial Context: She wanted to buy him one for Christmas but she had no money! 
 Original Ending: Then she had a great idea. She knitted Charlie a scarf by hand from some old yarn. Charlie loved his warm new Christmas scarf! 
 Counterfactual Context: She wanted to buy him one for his birthday on Halloween day.
Output (English): Then she had a great idea. She knitted Charlie a scarf by hand from some old yarn. Charlie loved his warm new Halloween scarf!