Anchor: How do we hold the globe in the center of everything?"  Bork shrugged.
Entailed: Bork inquired how we would hold the globe in the center of everything.
Contradiction: Bork instructed us on how to hold the globe in the center of everything.
Contradiction: The man is taking out the trash.
Contradiction: If this group survives, the test will be run on the other organisms.
Contradiction: Three people are eating at a diner.
Contradiction: They re-tested each sample.