Anchor: For this reason, the revised circular eliminates a long-standing federal requirement for formal risk assessments.
Entailed: There has been a requirement about the risk for long.
Contradiction: There is no reason to change the requirement.
Contradiction: The ladies are sitting on top of a trash can.
Contradiction: The political culture of Minnesota produced Jesse Ventura. 
Contradiction: The weather lately hasn't been any different than before.
Contradiction: the people are watching things explode