Task: Story Composition
Input (English): Premise: I walked to the mailbox to see if I got any mail. 
 Initial Context: There was only bills and a single personal letter. 
 Original Ending: The letter was addressed to a person I didn't know. I ripped open the letter and read it anyway. I wrote back to the sender and told him to not bother me. 
 Counterfactual Context: There were bills and lot of personal letters.
Output (English): One of the letters was addressed to a person I didn't know. I ripped open the letter and read it anyway. I wrote back to the sender and told him to not bother me.