Task: Story Composition
Input (English): Premise: Todd wanted a pet fish. 
 Initial Context: He told his mom he wanted a fish. 
 Original Ending: His mom told him he had to wait. It was Todd's birthday. His mom got him a big fish. 
 New ending: His dad told him he had to wait. It was Todd's birthday. His dad got him a big fish. 
Output (English): He told his dad he wanted a fish.