Task: Story Composition
Input (English): Premise: I went to the Lost and Found department to see if they had my bag. 
 Initial Context: They asked me for a description of my bag. 
 Original Ending: I told them what it looked like, but they didn't have it there. Then I found my bag at my friend's house. I must have left it there last week and forgotten. 
 Counterfactual Context: They told me they found a bag that matched my description and it was mine!.
Output (English): I was grateful to have found my bag. Then I found my bag at my friend's house. I must have taken someone else's bag