premise: David's parents got him a bike.
initial: He didn't want one.
counterfactual: He had always wanted a bike.
original_ending: But he didn't want his gift to go to waste. After learning how to ride the bike, he was glad he had one. David rode his bike every day.
edited_ending: He made sure not to put his gift to waste.After learning how to ride the bike he was even more glad he had one.David rode his bike every day.<SEP>But he didn't want this bike.After learning how to ride the bike, he bought a nicer one.David rode his new bike every day.<SEP>He was so excited when he got it.After learning how to ride the bike, he was glad he had one.David rode his bike every day.