Task: Story Composition
Input (English): Premise: Niko owns a pawn shop. 
 Initial Context: A man comes in with a book. 
 Original Ending: Niko thinks the book is a fake. An expert Niko trusts confirms it's fake. Niko doesn't buy the book. 
 Counterfactual Context: A man comes in with an autographed picture.
Output (English): Niko thinks the autograph is a fake. An expert Niko trusts confirms it's fake. Niko doesn't buy the picture.