Task: Story Composition
Input (English): Premise: Kevin never played poker before. 
 Initial Context: He was excited when his friends invited him. 
 Original Ending: He learned fast. He actually wound up winning. Kevin considered it beginner's luck. 
 Counterfactual Context: He sadly realized he was invited to a game because he was an easy mark.
Output (English): He learned fast. He actually wound up winning. Kevin considered it beginner's luck.