premise: I just bought new running shoes.
initial: They are comfortable and light.
counterfactual: They caused blistered.
original_ending: They were on sale. Even though I don't run much, I still like them. I am very proud of my new running shoes.
edited_ending: They were on sale, and now I knew why.Even though I don't run much, they still gave me blisters.I am not very proud of my new running shoes.<SEP>They were on sale.I don't like them.I am disappointed in my new running shoes.<SEP>They were on sale.Even though I don't run much, I still can't deal with getting blisters.I wish I had bought a bigger size pair of my new running shoes.