Anchor: The key ingredient seems to be averageness.
Entailed: Averageness appears to be the key ingredient.
Contradiction: The most vital ingredient is to be anything but average. 
Contradiction: If you didn't ask her to marry you, I would have. 
Contradiction: It was pretty up there.
Contradiction: No, we cannot agree on a compromise.
Contradiction: The man is attempting to sell a service.