Task: Story Composition
Input (English): Premise: Beth was going to see her favorite band live. 
 Initial Context: She arrived at the venue later than expected. 
 Original Ending: As she entered she saw the band arriving late as well. They greeted Amy warmly and posed for a photo. Amy had a great time at the concert. 
 Counterfactual Context: She arrived at the venue two hours early.
Output (English): As she entered she saw the band arriving early as well. They greeted Amy warmly and posed for a photo. Amy had a great time at the concert.