Anchor: I could see the cogs turning as he calculated strategies...I got there first.
Entailed: the wheels in his brain were turning. 
Contradiction: The man wasn't able to think of any strategies at all. 
Contradiction: A nurse is taking care of a patient's dog.
Contradiction: The people are outside.
Contradiction: A chef cleans his kitchen.
Contradiction: Slaves became known as Maroons.