Task: Story Composition
Input (English): Premise: Tim wanted to go sledding for the first time. 
 Initial Context: He wore his coat and hat. 
 Original Ending: And put on his winter boots. He even put on a pair of snow leggings to protect his legs. He ran out the door but didn't actually have one thing, a sled. 
 Counterfactual Context: He pulled out his sled and put on hat and coat.
Output (English): And put on his winter boots. He even put on a pair of snow leggings to protect his legs. He ran out the door but didn't actually have one thing, a pair of gloves.