Anchor: These women are ready to throw down in some extreme roller derby.
Entailed: These women are ready to compete in extreme roller derby.
Contradiction: These women are ready to fight each other.
Contradiction: A child is reading a book.
Contradiction: The new disclosure option rule notes difficulty of quantifying costs and benefits of the rule. 
Contradiction: A woman is on the lawn reading.
Contradiction: One can see both otters and sting rays.