Task: Story Composition
Input (English): Premise: Sara was in a good mood so she sang her favorite song. 
 Initial Context: She forgot some of the words so she made them up. 
 Original Ending: Sara liked her new version so she made up more words. She wrote down the words to remember them. Sara posted this song on her facebook to show her friends. 
 Counterfactual Context: Sara remembered every single word to her favorite song and sung it loudly.
Output (English): For fun she decided to make up her own words to the song. She wrote down the words to remember them. Sara posted this song on her facebook to show her friends.