Task: Story Composition
Input (English): Premise: I came home one day to find the basement flooded. 
 Initial Context: I wasn't sure what caused it at first. 
 Original Ending: I then realized the sump pump stopped working. I went to the hardware store to get a replacement. I quickly hooked it up and the problem was resolved. 
 Counterfactual Context: I knew exactly what had caused it.
Output (English): I found my sump pump not working. I went to the hardware store to get a replacement. I quickly hooked it up and the problem was resolved.