Anchor: The distinctive sound of the cicada chirps through the heat of the day.
Entailed: It is easy to identify the cicada by its unique sound.
Contradiction: The cicadas are silent, and make no noticeable noise.
Contradiction: No, I did not talk to anyone.
Contradiction: Two men on a boat.
Contradiction: More than 50 percent would not be able to retire for another ten years.
Contradiction: To what extent were the negative side effects?