Task: Story Composition
Input (English): Premise: Clara was exhausted after her long jog through Central Park. 
 Initial Context: She arrived at a local cafe and sat down to rest. 
 Original Ending: She ordered a mug of rootbeer, her favorite drink. The root beer came in a frosty mug, ice cold. Clara thoroughly enjoyed drinking the root beer. 
 Counterfactual Context: She arrived at an ice cream shop and sat down to rest.
Output (English): She ordered a mug of root beer float, her favorite drink. The root beer float came in a frosty mug, ice cold. Clara thoroughly enjoyed drinking the root beer float.