Task: Story Composition
Input (English): Premise: In the back of the mailroom there was a box no one ever moved. 
 Initial Context: One day Carl moved it to clean behind it and found a letter. 
 Original Ending: It was dated 60 years ago to an address that no longer existed. He opened the letter and read it. It was an apology from one friend to another. 
 Counterfactual Context: There was a trap door beneath it.
Output (English): He found a letter under it that was dated 60 years ago to an address that no longer existed. He opened the letter and read it. It was a confession from one friend to another.