Task: Story Composition
Input (English): Premise: Matt visited his family at home. 
 Initial Context: His mother had made a turkey dinner for his arrival. 
 Original Ending: Matt and his family sat down and ate the turkey dinner. They ate until they were all very full. Matt was so full that he could barely move, but he was still happy. 
 Counterfactual Context: His mother had made a steak dinner for his arrival.
Output (English): Matt and his family sat down and ate the steak dinner. They ate until they were all very full. Matt was so full that he could barely move, but he was still happy.