Anchor: A buy with a pale on a beach.
Entailed: A boy on the beach.
Contradiction: The boy is swinging at the park.
Contradiction: There are no such things as Romans as they are fictional.
Contradiction: The West discovered Macau in 1513, led by Jorge Alvares.
Contradiction: He did not need any envelopes at all.  
Contradiction: A boy cooks with his mom.