Anchor: Their spy system, too, was excellent.
Entailed: Their spy system was excellent. 
Contradiction: Their spy system was an utter failure. 
Contradiction: Three dogs are running through the park.
Contradiction: The women were having a good time together.
Contradiction: a woman is swimming in the ocean
Contradiction: You do not need to be an expert to know that pointing at dinner rather than catching it is not a successful evolutionary strategy.