Anchor: A person stirs a tube on a table.
Entailed: A human stirring.
Contradiction: Nobody is stirring.
Contradiction: Sheba the himmy is small for her age but has long, strong legs that make her very athletic.
Contradiction: A man video tapes another man at a wedding.
Contradiction: That sounds like the worst idea I've ever heard. 
Contradiction: You can use Miss Dufferin as a reference since you lived with her.