Task: Story Composition
Input (English): Premise: Katherine was at home watching TV. 
 Initial Context: Suddenly she got a phone call. 
 Original Ending: Her dad had had a heart attack and was in the hospital. She quickly went to the hospital to be with him. Luckily, he recovered in a couple of days and was alright. 
 Counterfactual Context: Suddenley she got a headache.
Output (English): It was so bad that she thought she might have to go to the hospital. She quickly went to get some medication. Luckily, she recovered in a couple of days and was alright.