Task: Story Composition
Input (English): Premise: Larry went to the river to pan for gold. 
 Initial Context: He brought his dog Rodent with him. 
 Original Ending: Larry panned for gold all morning and all afternoon. Larry got enough gold to equal about $200 worth. Larry and Rodent went home feeling happy. 
 Counterfactual Context: He fell in and got swept downstream.
Output (English): Larry wanted to pan for gold all morning and all afternoon. Larry got no gold to equal to nothing. Larry went home feeling miserable.