Task: Story Composition
Input (English): Premise: Mary went grocery shopping. 
 Initial Context: A man was ahead of her at the checkout. 
 Original Ending: That man threatened the cashier. Mary called the police. That man went to jail. 
 Counterfactual Context: A woman was ahead of her at the checkout.
Output (English): The woman threatened the cashier. Mary called the police. That lady went to jail.