Task: Story Composition
Input (English): Premise: The band marched for peace. 
 Initial Context: One band member wasn't looking where he was going. 
 Original Ending: He ran into a pedestrian. The pedestrian thought it was on purpose. He punched the band member. 
 Counterfactual Context: One band member dropped his instrument.
Output (English): It landed on a pedestrian's foot. The pedestrian thought it was on purpose. He punched the band member.