Anchor: A janitor sweeps the sidewalk in a busy street with many cars and pedestrians.
Entailed: A janitor is cleaning the sidewalk next to the busy street.
Contradiction: The janitor is cleaning the windows.
Contradiction: Errors are acceptable no matter what.
Contradiction: There was a little cave that we used to go in.
Contradiction: All of the transportation runs will be kept.
Contradiction: A dog is running.