Task: Story Composition
Input (English): Premise: Harry lived by the ocean and loved it very much. 
 Initial Context: He bought a large a fishing boat for himself. 
 Original Ending: He docked his boat at the local marina. Harry didn't know the laws of driving a boat but drove anyway. He was pulled over by the coast guard and arrested for speeding. 
 Counterfactual Context: He bought some gear to go scuba diving.
Output (English): He docked his boat at the local marina. Harry didn't know the laws of scuba diving, but dove anyway. He loved scuba diving!