Anchor: A formal demonstration that a system or component complies with its specified requirements and is acceptable for operational use.
Entailed: Systems must pass inspection before use.
Contradiction: Formal demonstrations aren't necessary to certify a system.
Contradiction: The two women are carrying a table to the garage.
Contradiction: Yeah, swimming is for swimming.
Contradiction: It is likely you have no idea.
Contradiction: A statistician is consulted when data seems unusual or doesn't meet necessary assumptions.