Task: Story Composition
Input (English): Premise: Brianna looked around quickly when the vase broke. 
 Initial Context: She was sure no one saw so she wouldn't be blamed for it. 
 Original Ending: Fortunately, her sister did see her break it. Her sister told on her as soon as their mom came home. Restricted to her room, Brianna irrationally blamed her sister. 
 Counterfactual Context: She texted her mom to say she broke it.
Output (English): Fortunately, her mom was not angry. Brianna apologized when her mom came home. Brianna was happy that her mom was not mad.