Task: Story Composition
Input (English): Premise: Sean and Sara had just bought a Christmas tree. 
 Initial Context: They were getting ready to decorate it. 
 Original Ending: They couldn't agree on whether to do tinsel or popcorn. They decided to play rock-paper-scissors. Sara won and they went with popcorn. 
 Counterfactual Context: They were getting ready to take it back to the store.
Output (English): They couldn't agree on whether to return it or not. They decided to play rock-paper-scissors. Sara won and they kept the tree.