Task: Story Composition
Input (English): Premise: Bob really needed to finish packing. 
 Initial Context: He really just wanted to sleep. 
 Original Ending: He closed his eyes to rest them a while. An hour had passed when he next opened them. Bob was even more anxious now. 
 Counterfactual Context: He really just wanted to go for a run.
Output (English): He closed his eyes to imagine himself running. An hour had passed when he next opened them. Bob was even more anxious now.