Anchor: A man and a woman are dancing together.
Entailed: There is music
Contradiction: The man and woman are reading a magazine
Contradiction: A father and son are skiing.
Contradiction: My new engine is much more powerful than my old one -- nearly twice as strong!
Contradiction: They typically don't do any inbreeding, but this wouldn't have consequences even if it had occurred.
Contradiction: Your education is what you make of it.