Task: Story Composition
Input (English): Premise: For dessert, Jason decided to make a cake. 
 Initial Context: He looked up a cake recipe online. 
 Original Ending: He picked one that was chocolate with peanut-butter frosting. Jason noticed that he had all the needed ingredients in his kitchen. Jason baked the cake and ate it after having dinner. 
 Counterfactual Context: He knew his favorite recipe by heart.
Output (English): His favorite cake was chocolate with peanut-butter frosting. Jason noticed that he had all the needed ingredients in his kitchen. Jason baked the cake and ate it after having dinner.