Anchor: A deep-sea diver is in full equipment studying a sea turtle.
Entailed: Someone is a deep-sea diver.
Contradiction: The diver isn't wearing anything.
Contradiction: A man is painting the ground
Contradiction: There are architectural eccentricities on the outside and medieval works of art on the inside.
Contradiction: The dog runs across the lava
Contradiction: The organizations could readily identify previously unkown vulnerabilities and either eliminate them or make adjustments, all by allowing such tests.