Task: Story Composition
Input (English): Premise: The teacher announced that it was snack time. 
 Initial Context: Everyone, including myself, took out snacks. 
 Original Ending: When I began eating, another student asked me for some. five minutes later, they asked for more. He ended up finishing the bag before I did. 
 Counterfactual Context: We had all forgotten our snacks.
Output (English): So I bought some snacks and when I began eating, another student asked me for some. five minutes later, they asked for more. He ended up finishing the bag before I did.