Task: Story Composition
Input (English): Premise: I lend my sweater to my brother to wear for one day. 
 Initial Context: After several weeks, he decided to swear the same sweater a few times. 
 Original Ending: He told me that it was comfortable and as families, we should share. Since the sweater was already worn out, I told him to keep it. He immediately thanked me and gave me a hug. 
 Counterfactual Context: After several weeks, he decided to buy a new sweater for him.
Output (English): He told me that it was comfortable, and he should buy one for himself. Since the sweater was already worn out, I told him to just keep mine. He immediately thanked me and gave me a hug.