premise: Jim was teaching his son to ride a bike.
initial: At first he taught the boy with training wheels.
counterfactual: He never even had to use training wheels.
original_ending: Then he removed the wheels. Jim was so happy he almost cried to see his son peddling. This was Jim's proudest moment as a parent.
edited_ending: They rented a bike and it has training wheels so they decided to remove the wheels.Jim was so happy he almost cried to see his son peddling.This was Jim's proudest moment as a parent.<SEP>Then he wanted  to snowboard.Jim was so happy he almost cried to see his son on the mountain.This was Jim's proudest moment as a parent.<SEP>He was just a natural.Jim was so happy he almost cried to see his son peddling.This was Jim's proudest moment as a parent.