Task: Story Composition
Input (English): Premise: Vivian's teeth hurt very badly. 
 Initial Context: She decided to visit the dentist. 
 Original Ending: The dentists told her she had a bad tooth. The dentist pulled out the bad tooth. Vivian never had tooth pain again. 
 Counterfactual Context: she decided to remove them herself.
Output (English): She knew she had a bad tooth. She pulled out the bad tooth. Vivian never had tooth pain again.