Task: Story Composition
Input (English): Premise: Mya wanted to throw her brother a birthday party. 
 Initial Context: She invited all his friends over. 
 Original Ending: Then she made a huge cake. Her brother came home from work that night and was shocked. He was so pleased he nearly cried! 
 Counterfactual Context: She invited all her friends over instead of his friends, though.
Output (English): Then she made a huge cake. Her brother came home from work that night with few of his friends. He was so pleased he nearly cried!