premise: I like to go to comic conventions.
initial: One year, I went with all of my friends.
counterfactual: One year, I went alone.
original_ending: We all had matching costumes. We even won the costume contest! We shared the prize equally among all of us.
edited_ending: I had a sweet costume.I even won the costume contest!I got the prize all by myself.<SEP>I had an amazing costume.I even won the costume contest!I shared the prize with my friends.<SEP>I had a unique costumes.I even won the costume contest!I  have the prize alone.