Task: Story Composition
Input (English): Premise: Mary was expecting a baby. 
 Initial Context: She was due next month. 
 Original Ending: Mary was at work when she started to feel her water break. Her boss rushed her to the hospital. Mary had her baby immediately afterwards. 
 Counterfactual Context: She delivered the baby before the due date.
Output (English): Mary was back at work when she started to feel dizzy. Her boss rushed her to the hospital. Mary had her blood pressure checked immediately afterwards.