premise: Rufus had always loved the soothing sounds of a cello playing.
initial: He resolved that he would learn cello one day.
counterfactual: He decided to learn to play the piano in two weeks.
original_ending: He enrolled in a cello course and practiced each night. Finally he was an expert at cello. Rufus had determination.
edited_ending: He enrolled in a piano course and practiced each night.Finally he was an expert at piano, but he still loved the cello.Rufus had determination to learn to play the cello too.<SEP>He enrolled in a piano course and practiced each night.Finally he was an expert at cello.Rufus had determination.<SEP>He enrolled in a piano course and practiced each night.Finally he was an expert at piano.Rufus played piano accompanied by cello music.