Task: Story Composition
Input (English): Premise: Tim was walking to class one morning. 
 Initial Context: His town began to fill up with fog all of a sudden. 
 Original Ending: The fog became so extreme that Tim could hardly see. Tim walked around aimlessly in the fog for an hour. He eventually missed his first class before the fog cleared enough. 
 Counterfactual Context: Suddenly, it started to downpour.
Output (English): The rain became so extreme that Tim could hardly see. Tim walked around aimlessly in the rain for an hour. He eventually missed his first class before the rain stopped.