Task: Story Composition
Input (English): Premise: David asked his parents if he could bring home a bunny rabbit. 
 Initial Context: He saw them as prizes at the county fair. 
 Original Ending: His parents agreed, and he went to the fair with his allowance. He used all ten dollars, but he finally won a bunny. He put the bunny in a small cardboard box, and went home. 
 New ending: His parents agreed, and he went to the fair with his allowance. He used all ten dollars, and bought a bunny. He put the stuffed bunny in a small cardboard box, and went home. 
Output (English): He saw them as prizes in a vending machine.