Task: Story Composition
Input (English): Premise: Anna went to San Francisco. 
 Initial Context: She had a great time sightseeing. 
 Original Ending: Her favorite thing was the cable cars. On her last day, she even got to ride one! Anna had a thrilling experience on the cable car! 
 Counterfactual Context: She got sea sick and stayed in bed.
Output (English): Her favorite thing would have been the cable cars. On her last day, she even got to see one! Anna had a thrilling experience seeing the cable car!