Task: Story Composition
Input (English): Premise: Kris loved water sports. 
 Initial Context: He was excited to go on his first rafting trip. 
 Original Ending: It was with a group of friends. During the rapids he almost fell over. Luckily his friends caught him and they finished. 
 Counterfactual Context: He was excited to go on his first scuba diving trip.
Output (English): It was with a group of friends. During the dive he almost lost consciousness. Luckily his friends caught him and safely brought him up.