Task: Story Composition
Input (English): Premise: Mary wanted her mom to stop smoking. 
 Initial Context: She left anti-smoking pamphlets around the house. 
 Original Ending: She drew pictures of diseased lungs. She even bought her mom a pack of nicotine gum. Unfortunately, her mom kept smoking. 
 Counterfactual Context: She left anti-smoking pamphlets which convinced her mom to stop.
Output (English): She drew pictures of diseased lungs. She even bought her mom a pack of nicotine gum. Fortunately, her mom quit smoking.