Task: Story Composition
Input (English): Premise: Luke lived in the desert with his aunt and uncle. 
 Initial Context: They were friends with an old man named Ben. 
 Original Ending: One morning, Luke got in an argument with his uncle and ran away. He become lost in the canyons of the surrounding desert. Ben, along with his friends, rescued Luke and brought him safely home. 
 Counterfactual Context: They had a stuffed bear named Ben.
Output (English): One morning, Luke got in an argument with his uncle and ran away. He become lost in the canyons of the surrounding desert. His uncle along with his friends rescued Luke and and brought him safely home.