Anchor: Trying their hand at fishing or rowing a boat on a lake can be a challenge.
Entailed: Trying fishing is hard at first.
Contradiction: Fishing is so easy to get the hang of right off the bat.
Contradiction: There is no first class mail
Contradiction: A bull runs from a dog.
Contradiction: The 24th amendment to the constitution guarantees the right to lobby.
Contradiction: a man talking on the phone