Task: Story Composition
Input (English): Premise: Mark was at the doctor's office. 
 Initial Context: His doctor had news for him. 
 Original Ending: He informed him that he had cancer. Mark was so upset and he called his family. Luckily they supported him. 
 Counterfactual Context: His doctor had to leave to treat a trauma case at the hospital.
Output (English): On his next visit, the doctor informed Mark that he had cancer. Mark was so upset and he called his family. Of course, they supported him.