Task: Story Composition
Input (English): Premise: Chet was trying to build a shelf in his home. 
 Initial Context: He picked up a hammer and tried to swing it into the nail. 
 Original Ending: Chet missed the nail and hit his thumb. Chet screamed in pain. Chet's wife brought him a bag of ice to reduce the swelling. 
 Counterfactual Context: He picked up a chainsaw and tried to swing it into the wood.
Output (English): Chet missed the would and hit his hand.. Chet screamed in pain. Chet's wife brought him a bag of ice to reduce the swelling.