Anchor: I don't know what they are.
Entailed: I don't know what they are.
Contradiction: I know what I am.
Contradiction: The rule is very complex suggests to check it out neither from a technical or value oriented perspective.
Contradiction: I haven't talked to anyone, so I don't know what they think about it.
Contradiction: A woman water skis.
Contradiction: A construction worker in a helmet is using a piece of machinery.