Anchor: A woman with a parasol is riding her pink bicycle down the street.
Entailed: The woman is using the peddels on the bike to move down the street.
Contradiction: The woman is riding a green bike down the street.
Contradiction: None of us have children.
Contradiction: The same conclusion is reached when the government establishes a subsidy. 
Contradiction: Kenny does not live in Buffalo.
Contradiction: The dog is trying to catch a toy.