Anchor: Let me pre-empt them and go a step further by pointing out a basic question I've  How does a change in the marriage contract affect a couple's decision about whether to get married in the first place?
Entailed: How does the contract between these two effect the marriage?
Contradiction: Can a marriage happen because there is no contract?
Contradiction: A dog is curled up by the fire.
Contradiction: A person is doing a peace sign gesture.
Contradiction: A group of men and women are dancing the Waltz.
Contradiction: Your preparation includes both consultation and library research.