Task: Story Composition
Input (English): Premise: Peg was on a strict diet. 
 Initial Context: She ate only twelve hundred calories a day. 
 Original Ending: After a month she decided to weigh herself. She held her breath nervously and looked down at the scale. In joy, she saw she had lost nineteen pounds! 
 Counterfactual Context: She ate only pasta, bread, and potatoes.
Output (English): After a month she decided to weigh herself. She held her breath nervously and looked down at the scale. In despair, she saw she had gained nineteen pounds!