Task: Story Composition
Input (English): Premise: It was a very cold night. 
 Initial Context: Ida was shivering. 
 Original Ending: She got out of bed and got an extra comforter. Then she curled up under it. She felt a lot warmer! 
 Counterfactual Context: Ida turned the heater on.
Output (English): She got out of bed and got an extra comforter because the heater wasn't enough. Then she curled up under it. She felt a lot warmer!