Task: Story Composition
Input (English): Premise: Derrick heard a window break outside his house. 
 Initial Context: He ran out to see what it was and was horrified. 
 Original Ending: His car was gone. He called the police in a panic. Then remembered he parked in the garage and his car was there. 
 Counterfactual Context: He ran out to see and saw a burglar breaking into the neighbor's house.
Output (English): And his car was gone! He called the police in a panic. The police came out to stop the burglar.