premise: The school class took a field trip to an abandoned mine.
initial: Their geology teacher told them to look for interesting rocks.
counterfactual: The class was bored because there was nothing in the mine.
original_ending: A girl in the class tripped over what looked to be a white rock. It turned out to be a really old dinosaur fossil! Everyone in the class was very excited!
edited_ending: A girl in the class tripped over what looked to be a white rock.It turned out to be a piece of trash.Everyone in the class was very bored.<SEP>But just as they were leaving, a girl in the class tripped over what looked to be a white rock.It turned out to be a really old dinosaur fossil!Everyone in the class was very excited!<SEP>A girl in the class tripped over what looked to be a white rock.It turned out to be a really old piece of poo.Everyone in the class was very disgusted!