Task: Story Composition
Input (English): Premise: Rob was invited to go trick or treating. 
 Initial Context: But he claimed trick or treating was for children. 
 Original Ending: Inside however, Rob was too embarrassed to wear a costume. Rob stayed inside for Halloween. He felt regret when he saw all of his friend's candy. 
 Counterfactual Context: He loved Halloween and dressed up as Ironman.
Output (English): He and his friends excitedly went out and began knocking on doors. Rob was having a great time. He was happy to see how much candy he had at the end of the night.