premise: I decided to go on a bike ride with my brother.
initial: We both headed out in the morning.
counterfactual: My brother was busy so I went alone.
original_ending: We were having a lot of fun. Suddenly, he hit a rock and broke his wheel! I felt very badly for my brother.
edited_ending: I was having a lot of funSuddenly, I hit a rock and broke my wheel!My brother felt very badly for me.<SEP>I wasn't having a lot of fun.Suddenly, I hit a rock and broke my wheel.I felt very badly for myself.<SEP>I was still having a lot of fun.Suddenly, I hit a rock and broke my wheel!I felt very badly for myself.