Task: Story Composition
Input (English): Premise: Rob wasn't supposed to have Mortal Kombat. 
 Initial Context: He traded a friend at school for the game. 
 Original Ending: He was playing on Saturday when his mom came into his room. She yelled in anger when she saw the game. Rob's mom sold his Sega Genesis as a punishment. 
 Counterfactual Context: But he pleaded continuously to his mother to purchase it.
Output (English): He was playing on Saturday when his mom came into his room. She told him she would purchase the game. Rob's mom gave him Sega Genesis as a present.