premise: My senior dog is limping on his front right paw.
initial: I took him to a veterinarian to get checked out today.
counterfactual: After a few hours my dog seemed fine.
original_ending: The veterinarian performed diagnostic tests on my dog. The tests show result showed that my dog has arthritis. I feel bad for my dog.
edited_ending: The veterinarian performed the usual tests on my dog.The tests show result showed that my dog has mild arthritis.I feel bad for my dog.<SEP>To be safe, though, I had the veterinarian perform diagnostic tests on my dog.The tests show result showed that my dog has arthritis.I feel bad for my dog.<SEP>The veterinarian performed diagnostic tests on my dog.The tests show result showed that my dog is healthy.I feel happy for my dog.