Task: Story Composition
Input (English): Premise: Tom's brother was getting married. 
 Initial Context: Tom thought he was going to be best man. 
 Original Ending: Instead his brother chose his friend. Tom was really hurt over it. He never mentioned it to his brother, though. 
 New ending: He was right. Tom was very happy about it. He never mentioned it to his brother, though. 
Output (English): Tom is going to be best man.