Task: Story Composition
Input (English): Premise: Dan walked to the park to use the swing. 
 Initial Context: He tried to see how high he could swing himself. 
 Original Ending: At the top of his swing Dan jumped off. He flew through the air towards the ground. Dan landed softly in a pile of sand. 
 New ending: At the top of his swing a boy jumped off. He flew through the air towards the ground. The boy landed softly in a pile of sand. 
Output (English): All the swings were in use so he played handball.