Anchor: The Postal Service uses both full-time regular carriers and casual employees (less than full-time or temporary) on its city and rural routes.
Entailed: The postal service has casual and full time employees
Contradiction: The postal service only has full time employees
Contradiction: A man is taking a shower.
Contradiction: There is a race.
Contradiction: Prudie will ask her stepdad to pass the salt because she heard someone say the same thing. 
Contradiction: A clown is at a rodeo.