Task: Story Composition
Input (English): Premise: Johnny and his grandpa had great seats to the Yankees game. 
 Initial Context: He had his mitt, as always, ready to catch a foul ball. 
 Original Ending: He's been trying forever but balls never came his way. Today a player hit a ball. It zoomed into the stands landing in Johnny's outstretched glove. 
 Counterfactual Context: He forgot his mitt at home.
Output (English): He's been trying forever to catch a foul but balls never come his way. Today a player hit a ball. It zoomed into the stands landing in Johnny's hands.