Task: Story Composition
Input (English): Premise: Jimmy had never gone to a concert before. 
 Initial Context: His friend bobby offered him tickets. 
 Original Ending: Jimmy was excited. They attended the concert together. Jimmy had one of the best times of his life. 
 Counterfactual Context: never gone to a concert before.
Output (English): Jimmy was excited. They attended the concert together. Jimmy had one of the best times of his life.