Task: Story Composition
Input (English): Premise: Billy was very afraid of being in water. 
 Initial Context: One day he decided that he would overcome that fear and learn to swim. 
 Original Ending: He mustered the courage to attend a morning swim class. He was happy that the instructor was so nice and supportive. Billy learned to swim that day and has enjoyed it ever since. 
 New ending: His father forced him to attend a morning swim class. He was happy that the instructor was so nice and supportive Billy learned to swim that day and has enjoyed it ever since 
Output (English): One day, his father advised him and boost him to learn to swim.