Anchor: It can be detected in a solution of 1 in 70,000, and can only be disguised by some strongly flavoured substance. 
Entailed: It is easily detected and has to be covered up with strong flavoring.
Contradiction: The poison can't be detected easily and its very hard to taste.
Contradiction: A man is performing tricks in his bathroom.
Contradiction: People are camping outside.
Contradiction: There was a parade in New York City.
Contradiction: They're letting them run around now.