Task: Story Composition
Input (English): Premise: Stephanie was very worried about her upcoming Physics exam. 
 Initial Context: She and other students met at the library to study. 
 Original Ending: When the other students left to attend a party, Stephanie stayed. Finally Stephanie took the exam. She was glad she had studied so hard for her exam. 
 Counterfactual Context: She went to study by herself.
Output (English): When the library closed, Stephanie stayed. Finally Stephanie took the exam. She was glad she had studied so hard for her exam.