Task: Story Composition
Input (English): Premise: Jackson was on a rafting trip with his dad. 
 Initial Context: He was on the front of the raft. 
 Original Ending: They hit a big wave and Jackson slipped. He fell into the water below. Luckily his family was able to save him. 
 Counterfactual Context: He stayed off the raft.
Output (English): His dad hit a big wave and slipped. He fell into the water below. Luckily his family was able to save him.