Task: Story Composition
Input (English): Premise: Thomas bought a train set. 
 Initial Context: His father helped him set it up in the garage. 
 Original Ending: They ran the train around the track for a few minutes. Thomas thought that it was pretty boring. He gave the train set to his neighbor the next day. 
 New ending: They ran the train around the track everyday. Thomas thought that it was pretty exciting. He gave the train set to his son. 
Output (English): His father helped him set it up in the garage and kept the train as long as he lived.