Task: Story Composition
Input (English): Premise: Tom was in a rush to get to work on Tuesday morning. 
 Initial Context: He had stayed out late with his friends the night before. 
 Original Ending: As he was leaving for work, he realized that he didn't have his keys. One of his friends had taken them outside of the bar the night before. Tom was late to work because he had to walk to the bus station. 
 Counterfactual Context: He went to bed early Monday night and didn't go out like his friends wanted.
Output (English): As he was leaving for work, he realized that he didn't have his keys. He had to look for them to no avail. Tom was late to work because he had to walk to the bus station.