Task: Story Composition
Input (English): Premise: Chris went to the beach one weekend morning. 
 Initial Context: He walked close to the shore and began to work on a sand structure. 
 Original Ending: After spending a long time working, people began to gather around. The sand statue began to look really good when a large wave came in. The wave destroyed the statue and Chris went back home. 
 Counterfactual Context: He walked close to the shore and began to wade in to swim.
Output (English): After spending a long time swimming, people began to gather around. He was swimming so well. He got tired of swimming and then went home.