Anchor: A military dentist and his camouflage-clad assistant do dental work on a patient.
Entailed: A dentist is working on a patient.
Contradiction: A military dentist works on a patient alone.
Contradiction: Mistakes are never made, and the finished products are always completely functional.
Contradiction: There are people by a pond.
Contradiction: The lava is ice cold.
Contradiction: A man dressing in a shirt and tie.