Task: Story Composition
Input (English): Premise: Jack grew tired of waiting for help as he eyed the large box. 
 Initial Context: The sooner that was put away the sooner he could go home. 
 Original Ending: As he lifted it alone, he felt something pull in his back. Jack had to go to massage therapy that afternoon. He arrived home much later than normal. 
 Counterfactual Context: He asked a stranger passing by to help him lift it.
Output (English): As they lifted it, he felt something pull in his back. Jack had to go to massage therapy that afternoon. He arrived home much later than normal.