Anchor: They see no threat and assume they can face any that might come.
Entailed: They are aware of no threat and have confidence that they can take on any that may arise. 
Contradiction: They are aware of several threats and doubt their ability to appease them. 
Contradiction: Everything was silent.
Contradiction: Upon the ancient foundations there is a giant mole, the only evidence of Polycrates's time.
Contradiction: A woman is riding a bike.
Contradiction: Strategic plans are developed by agencies through a number of methods.