Task: Story Composition
Input (English): Premise: Sara's job now prohibits employees from using company's ice. 
 Initial Context: Her coworkers bought expensive thermos that kept their drinks cold. 
 Original Ending: Sara couldn't afford one of those thermos. Therefore, she bought the inexpensive one. Her drink stayed cold all day long like everyone else's. 
 Counterfactual Context: Her coworkers kept water bottles in the office fridge.
Output (English): Sara really wanted a thermos instead. Therefore, she bought an inexpensive one. Her drink stayed cold all day long like everyone else's.