Anchor: In addition, many workers are unaware that the retirement age for full Social Security benefits is gradually rising from age 65 to 67.
Entailed: There are many workers that do not know the retirement age for full Social Security has changed.  
Contradiction: Every worker knows that the retirement age for Social Security has changed.  
Contradiction: It was only a few inches long.
Contradiction: Children are wearing paper hats.
Contradiction: There are no additional copies.
Contradiction: "Mrs. Canvendish does," she said.