Task: Story Composition
Input (English): Premise: Sarah loves to visit beaches. 
 Initial Context: When Sarah visits a new beach she brings home sand from that beach. 
 Original Ending: Sarah's sand collection is getting really big. She decided to give some of her sang to her nephew. This made Sarah's Nephew very happy. 
 Counterfactual Context: When Sarah visits a new beach she brings home a seashell from that beach.
Output (English): Sarah's seashell collection is getting really big. She decided to give some of her seashells to her nephew. This made Sarah's Nephew very happy.