Task: Story Composition
Input (English): Premise: Colby had a dream to build his own treehouse. 
 Initial Context: He went to the lumberyard and bought all of his supplies. 
 Original Ending: He called his friends to come help him build it. They made ladders and slides to go in and out of it. The treehouse became a great place to play. 
 New ending: He called his friends to bring the supplies and to come help him build it. They made ladders and slides to go in and out of it. The treehouse became a great place to play. 
Output (English): He had no money to buy the needed supplies.