premise: I stayed in the library all night to study for a chemistry test.
initial: By the time the sun started to come up I was exhausted.
counterfactual: By the time the sun started to come up I was completely energized.
original_ending: I struggled to keep my eyes open as I walked to class. Once the tests were handed out, I immediately fell asleep. I woke up when the bell rang for class to be over.
edited_ending: I easily kept my eyes open as I walked to class.Once the tests were handed out, I immediately got started.I had finished up before the bell rang for class to be over.<SEP>But as soon as I got to class, i was overwhelmed with exhaustion.Once the tests were handed out, I immediately fell asleep.I woke up when the bell rang for class to be over.<SEP>I struggled to find my class because it was in a new classroom.Once the tests were handed out, I focused on the test.I finished the test before the bell rang for class to be over.