premise: The shepherd opened the gate of the pen.
initial: He sent his dog into the pasture to round up the sheep.
counterfactual: Since his sheep dog died, the shepherd had to herd the sheep on his own.
original_ending: The dog herded the sheep towards the gate. The sheep moved together into the pen. The shepherd then went back to his house.
edited_ending: The shepherd herded the sheep towards the gate.The sheep moved to different directions.The shepherd got tired and went back to his house.<SEP>He herded the sheep towards the gate.The sheep moved together into the pen.The shepherd then went back to his house.<SEP>The dog used to herd the sheep towards the gate.The sheep moved together into the pen.Now the shepherd has to move them himself.