Task: Story Composition
Input (English): Premise: Ben put all his things in his bag to get ready for school. 
 Initial Context: He had no more room when he was finished. 
 Original Ending: Ben decided that it was time for a bigger bag. He took out his phone and bought one on the internet. Ben selected next day delivery and waited. 
 Counterfactual Context: he had plenty of room left over.
Output (English): Ben decided that it was time for a smaller bag. He took out his phone and bought one on the internet. Ben selected next day delivery and waited.