Task: Story Composition
Input (English): Premise: Neil was visiting Philadelphia. 
 Initial Context: He toured the old historical structures. 
 Original Ending: He learned a lot about American history. He also snapped lots of photos. Neil couldn't wait to relive his memories of Philadelphia! 
 Counterfactual Context: He went to a baseball game.
Output (English): He learned a lot about American baseball. He also snapped lots of photos. Neil couldn't wait to relive his memories of Philadelphia!