Task: Story Composition
Input (English): Premise: Rocky has always wanted a bike of his own. 
 Initial Context: He asked his parents for one. 
 Original Ending: Rocky's parents agreed to buy him one. They took him to the store. They bought him his very own bike. 
 New ending: Rocky's kids agreed to buy him one. They took him to the store. They bought him his very own bike. 
Output (English): He asked his children for one.