Task: Story Composition
Input (English): Premise: My sister in-law turned 63 yesterday. 
 Initial Context: We had her over for cake. 
 Original Ending: We gave her a hard root beer. After a half an hour she got itchy. I hope she did not  have an allergic reaction. 
 Counterfactual Context: We had her over for cake but she will never get itchy again.
Output (English): We gave her soothing aloe vera lotion. After half an hour she was still not itchy. I am glad she did not have an allergic reaction to the cake.