premise: A man walked down the street on a summer day.
initial: He walked past a mail box and noticed a letter on the ground.
counterfactual: He walked past the driveway and noticed a bird on the ground.
original_ending: Upon examination, the letter was addressed and stamped. The man thought that the letter must have fallen out. He put the letter back in the mailbox.
edited_ending: Upon examination, the bird appeared to be ok.The man thought that the bird must have fallen out of its nest.He put the bird back in the nest.<SEP>Upon examination, the bird was dead.The man thought that the bird must have fallen out of a tree.He said a prayer for the bird.<SEP>Upon examination, the bird was injured.The man thought that the bird must have fallen out of a tree.He put the bird back in its nest.