premise: Last Tuesday I took my first spin class at the gym.
initial: It was the hardest exercise class I ever took.
counterfactual: It was the easiest exercise class I ever took.
original_ending: I worked through it for an hour and my legs went numb. When I got home my legs started to hurt and I couldn't walk. I went to bed and then rested until morning.
edited_ending: I worked through it for an hour with ease.When I got home my legs didn't even hurt.I decided work out some more at home.<SEP>I worked through it for an hour.When I got home I felt energized.I did some chores and then rested until morning.<SEP>I worked through it for an hour and my legs were still fresh at the end.When I got home my legs still felt fine.I decided I would need to take a harder class next time.