Task: Story Composition
Input (English): Premise: Tanner was an actor in a play. 
 Initial Context: He was supposed to be at the auditorium for opening night. 
 Original Ending: Unfortunately, his sister was sick and he was held up. Finally she was able to get to sleep and he left for the show. When he got there, he was too late and they had sent in an understudy. 
 Counterfactual Context: He went to the auditorium for the opening night.
Output (English): Unfortunately, his sister was sick but he still went. Finally she was able to get to sleep when he left for the show. When he got there, he was too late and they had sent in an understudy.