Task: Story Composition
Input (English): Premise: Emily was thirsty. 
 Initial Context: She wanted to get a glass of water. 
 Original Ending: Emily went to the kitchen. She got a glass. She filled the glass with water. 
 Counterfactual Context: She needed a cup of coffee.
Output (English): Emily went to the kitchen. She got a mug. She filled the mug with coffee.