Anchor: Health effects studies provide both a best estimate of this relationship plus a measure of the statistical uncertainty of the relationship.
Entailed: Health effects studies include an estimate
Contradiction: Health effects studies are an exact measurement
Contradiction: There is no race about to start.
Contradiction: As the battle continued, his mind was moving fast while time seemed to have slowed down. 
Contradiction: A small kid is sleeping.
Contradiction: The election is of the lesser of two evils.