Anchor: An earlier study challenged that assumption.
Entailed: The assumption was challenged by an earlier study.
Contradiction: The assumptions has never been challenged.
Contradiction: Please don't ask any questions. 
Contradiction: I am unsure as to why they are choosing to do it.
Contradiction: These protocols are designed with the sole purpose of managing the relationship between the GAO and federal Inspectors General.
Contradiction: Andrew Shuman thinks the right candidate should have at least some experience in C SQL.