Task: Story Composition
Input (English): Premise: There was a turtle in a pet store. 
 Initial Context: The turtle did not have a name. 
 Original Ending: When the kid walked into the pet store he saw the turtle. He asked his dad to buy the turtle. When they got home he named him pokey. 
 Counterfactual Context: The turtle has a name.
Output (English): When the kid walked into the pet store he saw the turtle. He asked his dad to buy the turtle. When they got home he changed its name to pokey.