Anchor: Take the idea that men became less competitive because women insisted on monogamy, which lowers testosterone.
Entailed: Monogamy has an effect on men's levels of testosterone.
Contradiction: Monogamy increases the testosterone levels in men sharply 
Contradiction: A man is shopping in a store.
Contradiction: You mention it enough and he sounded annoyed.
Contradiction: A man ignores those around him.
Contradiction: A man is riding a bike.