Anchor: Then you consider that we may dismiss the tonic as not being in any way instrumental in causing her death?
Entailed: We may dismiss the drink as not having caused her death.
Contradiction: The drink definitely caused her death.
Contradiction: Pithagorio does not house any building where royalty once lived.
Contradiction: A school room filled with different aged children.
Contradiction: We did not have any.  
Contradiction: Three laughing teenage girls rolling on the ground.