Anchor: The privilege squabble, in fact, marks the first time the Dead President defense has failed.
Entailed: This is the first time that the Dead President argument hasn't succeeded.
Contradiction: This isn't the first time that arguing the Dead President defense hasn't succeeded.
Contradiction: The Lincoln Bedroom was renovated and made sure to be always ghost-free. 
Contradiction: Two dogs staring at each other.
Contradiction: We hate him.
Contradiction: A lady is tanning.