Task: Story Composition
Input (English): Premise: Larry found a wallet that had $120 in it. 
 Initial Context: He took the wallet to the police station. 
 Original Ending: The police looked for the wallet's owner. The owner of the wallet was extremely happy to get his wallet back. Larry was surprised to receive a $20 reward from the wallet's owner. 
 Counterfactual Context: He kept the $120 and threw the wallet away.
Output (English): The police looked for the wallet's finder. The owner of the wallet would have been extremely happy to get his wallet back. Larry was surprised to find that he would have received a $20 reward from the wallet's owner.