Anchor: Your only mistake was totally writing off the mystical power of 9-year-old boomers in the '50s.
Entailed: You wrote off the mystical power of 9-year-old boomers, which was a mistake. 
Contradiction: All of the boomers in the '50s were above the age of 30.
Contradiction: a person riding a bike near the ocean.
Contradiction: The dog is jumping.
Contradiction: That sounds about right.
Contradiction: It is good to know for sure.