Task: Story Composition
Input (English): Premise: John felt sick and weak for a few days. 
 Initial Context: He tried to rest at home and sleep, but he couldn't get refreshed. 
 Original Ending: John called his doctor and scheduled an appointment. At the doctor's visit, John had several medical tests performed. The doctor found that John had the flu and needed medication. 
 Counterfactual Context: He tried to rest at home and sleep and started to feel better.
Output (English): John called his doctor and scheduled an appointment just in case. At the doctor's visit, John had several medical tests performed. The doctor found that John had the flu and needed medication.