premise: My teacher showed us how to build a wooden bird house.
initial: Everyone began to start on the experiment.
counterfactual: We couldn't start the experiment because there weren't any nails.
original_ending: I tried connecting the borders with nails. I ended up hitting my finger with the hammer. I went to the hospital to fix my finger that I had broken.
edited_ending: We started once we found some nails, and I tried connecting the borders with nails.I ended up hitting my finger with the hammer.I went to the hospital to fix my finger that I had broken.<SEP>The teacher rushed to get nails and I tried connecting the borders with nails.I ended up hitting my finger with the hammer.I went to the hospital to fix my finger that I had broken.<SEP>I tried connecting the borders with tape.I ended up taping my fingers together.I went to the teacher to fix my problem.