premise: Mom took us some place special today.
initial: We got to meet our new friend.
counterfactual: It was at an old friend's house.
original_ending: Our new friend is a cute, black puppy. We get to bring him home today. But realized he needed to be potty-trained.
edited_ending: Our old friend is a cute, black dog.We get to bring him home today.But realized he needed to be potty-trained.<SEP>Our old friend is a cute, black dog.We get to bring him home today.But realized he needed to be taken to the vet.<SEP>Their dog had just had puppies.We got to pick one out to bring home.But realized he needed to be potty-trained