Task: Story Composition
Input (English): Premise: I got a new couch yesterday. 
 Initial Context: When it got delivered I was very excited. 
 Original Ending: I immediately sat down and drank some wine. To my dismay there was a large dark stain on it. I was horrified. 
 New ending: I immediately sat down and drank some wine. I had been very excited until I saw the stain. I was horrified. 
Output (English): When It got delivered, I saw a stain on it.