Anchor: Between 1993 and 1996, the Postal Service conducted the survey using a relatively small panel of about 400 routes.
Entailed: 400 routes were included in the survey.
Contradiction: A panel of 800 routes was used.
Contradiction: A group of people focused on each other.
Contradiction: Las Vegas changed drastically after the arrival of the railroad.
Contradiction: The child is holding the camera high in the air.
Contradiction: An animal running