Task: Story Composition
Input (English): Premise: I am a big fan of PCC trolleys. 
 Initial Context: They were developed in the 1930s to modernize transit. 
 Original Ending: The bodies had a distinctive art deco design. At one time most major cities ran PCC trolleys. My home city of Boston still runs a small fleet of PCCs. 
 New ending: The bodies had a distinctive art deco design. At one time most major cities ran PCC trolleys. My home city of Boston just retired its small fleet of PCCs. 
Output (English): They are no longer used for transit in the United States.