Task: Story Composition
Input (English): Premise: Manuel sat on his front porch and let out a sigh. 
 Initial Context: He had been waiting for twenty minutes already. 
 Original Ending: Soon, a white vehicle pulled up to his house. The mailman got out of his car and carried a large brown box. Manuel excitedly ran forward to receive his package. 
 Counterfactual Context: He had been waiting for five seconds already.
Output (English): An hour later, a white vehicle pulled up to his house. The mailman got out of his car and carried a large brown box. Manuel excitedly ran forward to receive his package.