Task: Story Composition
Input (English): Premise: Doug had a terrible stomach ache that wouldn't go away. 
 Initial Context: He finally told him mom. 
 Original Ending: She could tell he was in a lot of pain so she took him to the ER. There they diagnosed him with appendicitis. He had to have surgery right away. 
 Counterfactual Context: He finally told his mom, but she didn't believe him.
Output (English): He told his dad, who took him to the ER. There they diagnosed him with appendicitis. He had to have surgery right away.