Anchor: Once replicated, they might then do harm to your data, just like biological viruses can do harm to their hosts.
Entailed: Computer viruses behave like biological viruses, but instead they harm your data.
Contradiction: Biological viruses contribute to their hosts' health and well-being.
Contradiction: The woman is driving down the road.
Contradiction: The child is surfing in the ocean.
Contradiction: I am always sore!
Contradiction: two guys kiss