Task: Story Composition
Input (English): Premise: My friend bought tickets to this Friday's big game. 
 Initial Context: He got a ticket for his girlfriend. 
 Original Ending: Unfortunately she's sick and can't go. So I get to go instead. I'm happy because of her suffering. 
 Counterfactual Context: He got a ticket for his dad, but he has to work.
Output (English): Fortunately he was too busy and can't go. So I get to go instead. I'm happy that his dad had to work.